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<title>DP Economics: Unit 2.10: Asymmetric information (HL only)</title>
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style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../35118/unit-2111-market-power-theory-of-production-and-costs-hl.html" title="Unit 2.11(1) Market power - Theory of production and costs (HL)">Unit 2.11(1) Market power - Theory of production and costs (HL)</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../35125/unit-2112-market-power-perfect-competitionhl.html" title="Unit 2.11(2) Market power - Perfect competition(HL)">Unit 2.11(2) Market power - Perfect competition(HL)</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../35147/unit-2113-market-power-monopolyhl.html" title="Unit 2.11(3) Market power - Monopoly(HL)">Unit 2.11(3) Market power - Monopoly(HL)</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../35151/unit-2114-market-power-monopolistic-competitionhl.html" title="Unit 2.11(4) Market power - Monopolistic competition(HL)">Unit 2.11(4) Market power - Monopolistic competition(HL)</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../35153/unit-2115-market-power-oligopolyhl.html" title="Unit 2.11(5) Market power - Oligopoly(HL)">Unit 2.11(5) Market power - Oligopoly(HL)</a></li><li class=" parent" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../41603/economics-real-world-examples-and-extension-material-.html" title="Economics real world examples and extension material ">Economics real world examples and extension material </a></li><ul class="level-3 "><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="../43378/opportunity-cost-and-production-possibility-curves.html" title="Opportunity cost and production possibility curves">Opportunity cost and production possibility curves</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="../42559/demand-theory.html" title="Demand theory">Demand theory</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="../41886/the-price-mechanism.html" title="The price mechanism">The price mechanism</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="../43188/market-demand-and-supply.html" title="Market demand and supply">Market demand and supply</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="../41705/demerit-goods.html" title="Demerit goods">Demerit goods</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="../42275/market-failure-and-climate-change.html" title="Market failure and climate change">Market failure and climate change</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="../42925/market-power.html" title="Market power">Market power</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="../42099/applying-game-theory.html" title="Applying game theory">Applying game theory</a></li></ul></ul><li class=" parent" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="" href="../34407/chapter-3-macroeconomics.html" title="Chapter 3: Macroeconomics">Chapter 3: Macroeconomics</a></li><ul class="level-2 "><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../34355/unit-311-measuring-the-level-of-economic-activity.html" title="Unit 3.1(1): Measuring the level of economic activity">Unit 3.1(1): Measuring the level of economic activity</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../34432/unit-312-measuring-economic-development.html" title="Unit 3.1(2): Measuring Economic Development">Unit 3.1(2): Measuring Economic Development</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../34485/unit-321-variations-in-economic-activity-aggregate-demand-ad-.html" title="Unit 3.2(1): Variations in economic activity - aggregate demand (AD) ">Unit 3.2(1): Variations in economic activity - aggregate demand (AD) </a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../34487/unit-322-variations-in-economic-activity-aggregate-supplyas.html" title="Unit 3.2(2): Variations in economic activity - aggregate supply(AS)">Unit 3.2(2): Variations in economic activity - aggregate supply(AS)</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../34758/unit-331-macroeconomic-objectives-economic-growth.html" title="Unit 3.3(1) Macroeconomic objectives: economic growth">Unit 3.3(1) Macroeconomic objectives: economic growth</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../34771/unit-332-macroeconomic-objectives-unemployment-.html" title="Unit 3.3(2) Macroeconomic objectives: unemployment ">Unit 3.3(2) Macroeconomic objectives: unemployment </a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../34778/unit-333-macroeconomic-objectives-inflation-and-deflation--1.html" title="Unit 3.3(3) Macroeconomic objectives: inflation and deflation ">Unit 3.3(3) Macroeconomic objectives: inflation and deflation </a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../34925/unit-341-economics-of-inequality-and-poverty-1.html" title="Unit 3.4(1) Economics of inequality and poverty">Unit 3.4(1) Economics of inequality and poverty</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../34946/unit-342-policies-to-improve-equality-equity-and-poverty.html" title="Unit 3.4(2) Policies to improve equality, equity and poverty">Unit 3.4(2) Policies to improve equality, equity and poverty</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../34993/unit-35-government-management-of-the-economy-monetary-policy-1.html" title="Unit 3.5 Government management of the economy – monetary policy">Unit 3.5 Government management of the economy – monetary policy</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../34962/unit-36-government-management-of-the-economy-fiscal-policy-1.html" title="Unit 3.6 Government management of the economy – fiscal policy">Unit 3.6 Government management of the economy – fiscal policy</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../35017/unit-371-market-based-supply-side-policies--1.html" title="Unit 3.7(1) Market based supply-side policies ">Unit 3.7(1) Market based supply-side policies </a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../35018/unit-372-interventionist-supply-side-policies-.html" title="Unit 3.7(2) Interventionist supply-side policies ">Unit 3.7(2) Interventionist supply-side policies </a></li><li class=" parent" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../45803/economics-real-world-examples-and-extension-material--1.html" title="Economics real world examples and extension material ">Economics real world examples and extension material </a></li><ul class="level-3 "><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="../42639/measuring-economic-well-being-1.html" title="Measuring economic well-being">Measuring economic well-being</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="../43044/inflation.html" title="Inflation">Inflation</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="../42350/inequality.html" title="Inequality">Inequality</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="../41639/inequity-1.html" title="Inequity">Inequity</a></li></ul></ul><li class=" parent" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="" href="../35414/chapter-4-the-global-economy.html" title="Chapter 4: The Global Economy">Chapter 4: The Global Economy</a></li><ul class="level-2 "><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../35346/unit-41-benefits-of-international-trade-1.html" title="Unit 4.1 Benefits of international trade">Unit 4.1 Benefits of international trade</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../35348/unit-4243-trade-protectionism-1.html" title="Unit 4.2/4.3 Trade protectionism">Unit 4.2/4.3 Trade protectionism</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../35407/unit-44-economic-integration-.html" title="Unit 4.4 Economic integration ">Unit 4.4 Economic integration </a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../35409/unit-45-exchange-rates-1.html" title="Unit 4.5 Exchange rates">Unit 4.5 Exchange rates</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../35413/unit-46-balance-of-payments--1.html" title="Unit 4.6 Balance of payments ">Unit 4.6 Balance of payments </a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../35675/unit-47-sustainable-development.html" title="Unit 4.7 Sustainable development">Unit 4.7 Sustainable development</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../35685/unit-48-measuring-development--1.html" title="Unit 4.8 Measuring development ">Unit 4.8 Measuring development </a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../35687/unit-49-barriers-to-economic-development-1.html" title="Unit 4.9 Barriers to economic development">Unit 4.9 Barriers to economic development</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../35702/unit-410-economic-growth-and-economic-development-strategies.html" title="Unit 4.10: Economic growth and economic development strategies">Unit 4.10: Economic growth and economic development strategies</a></li><li class=" parent" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../45804/economics-real-world-examples-and-extension-material-.html" title="Economics real world examples and extension material ">Economics real world examples and extension material </a></li><ul class="level-3 "><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="../41927/foreign-currency-1.html" title="Foreign currency">Foreign currency</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="../43532/exchange-rates-1.html" title="Exchange rates">Exchange rates</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="../43804/balance-of-payments.html" title="Balance of payments">Balance of payments</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="../41796/economic-development-1.html" title="Economic development">Economic development</a></li></ul></ul></ul><li class="ancestor parent std-toplevel" style="padding-left: 4px"><i class="expander fa fa-caret-right fa-rotate-90"></i><a class="" href="../20132/units-1-2-microeconomics.html" title="Units 1-2: Microeconomics">Units 1-2: Microeconomics</a></li><ul class="level-1 expanded"><li class=" parent" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="std-disabled" href="#" title="Unit 1: Introduction to economics">Unit 1: Introduction to economics</a></li><ul class="level-2 "><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../20091/introductory-activity-1.html" title="Introductory activity">Introductory activity</a></li><li class=" parent" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../20093/unit-11-scarcity-choice-and-opportunity-cost.html" title="Unit 1.1: Scarcity, choice and opportunity cost">Unit 1.1: Scarcity, choice and opportunity cost</a></li><ul class="level-3 "><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="../21647/factors-of-production-1.html" title="Factors of production">Factors of production</a></li></ul><li class=" parent" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../20114/economic-systems.html" title="Economic systems">Economic systems</a></li><ul class="level-3 "><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="../20134/public-and-private-sectors-1.html" title="Public and private sectors">Public and private sectors</a></li></ul><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../28055/unit-12-economics-as-a-social-science-1.html" title="Unit 1.2: Economics as a social science">Unit 1.2: Economics as a social science</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../29921/circular-flow-of-national-income.html" title="Circular flow of national income">Circular flow of national income</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../29829/unit-1-review-terms-1.html" title="Unit 1: Review terms">Unit 1: Review terms</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../41600/introduction-to-economics-crossword-1.html" title="Introduction to economics crossword">Introduction to economics crossword</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../4331/unit-1-multiple-choice-quiz.html" title="Unit 1: Multiple choice quiz">Unit 1: Multiple choice quiz</a></li></ul><li class=" parent" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="" href="../20177/unit-21-23-competitive-markets-demand-and-supply-1.html" title="Unit 2.1-2.3: Competitive markets - demand and supply">Unit 2.1-2.3: Competitive markets - demand and supply</a></li><ul class="level-2 "><li class=" parent" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../28517/unit-21-demand-1.html" title="Unit 2.1: Demand">Unit 2.1: Demand</a></li><ul class="level-3 "><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="../22349/determinants-of-demand-1.html" title="Determinants of demand">Determinants of demand</a></li></ul><li class=" parent" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../29949/unit-22-supply-.html" title="Unit 2.2: Supply ">Unit 2.2: Supply </a></li><ul class="level-3 "><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="../20184/changes-to-supply-and-demand-.html" title="Changes to supply and demand ">Changes to supply and demand </a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="../21992/practise-exercises-1.html" title="Practise exercises">Practise exercises</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="../26112/gold-exchange-game-demand-and-supply-1.html" title="Gold exchange game: Demand and supply">Gold exchange game: Demand and supply</a></li></ul><li class=" parent" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../20194/unit-23-competitive-market-equilibrium-1.html" title="Unit 2.3: Competitive market equilibrium">Unit 2.3: Competitive market equilibrium</a></li><ul class="level-3 "><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="../20144/producer-and-consumer-surplus-1.html" title="Producer and consumer surplus">Producer and consumer surplus</a></li></ul><li class=" parent" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../22351/veblen-goods-and-super-luxury-goods-1.html" title="Veblen goods and super luxury goods">Veblen goods and super luxury goods</a></li><ul class="level-3 "><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="../25677/are-cryptocurrencies-the-new-tulipmania.html" title="Are Cryptocurrencies the new Tulipmania?">Are Cryptocurrencies the new Tulipmania?</a></li></ul><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../20472/unit-21-23-multiple-choice-quiz.html" title="Unit 2.1-2.3: Multiple choice quiz">Unit 2.1-2.3: Multiple choice quiz</a></li></ul><li class=" parent" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="" href="../20113/unit-24-consumer-and-producer-behaviour-hl-only-1.html" title="Unit 2.4: Consumer and producer behaviour (HL only)">Unit 2.4: Consumer and producer behaviour (HL only)</a></li><ul class="level-2 "><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../36073/behavioural-economics-consumer-biases-nudge-theory-hl-only-1.html" title="Behavioural economics: Consumer biases / nudge theory (HL only)">Behavioural economics: Consumer biases / nudge theory (HL only)</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../20378/business-objectives-hl-only.html" title="Business objectives (HL only)">Business objectives (HL only)</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../28741/unit-21-24-review-terms--1.html" title="Unit 2.1-2.4: Review terms ">Unit 2.1-2.4: Review terms </a></li></ul><li class=" parent" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="" href="../20195/unit-25-26-elasticity-1.html" title="Unit 2.5-2.6: Elasticity">Unit 2.5-2.6: Elasticity</a></li><ul class="level-2 "><li class=" parent" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../28713/unit-25-price-elasticity-of-demand-1.html" title="Unit 2.5: Price elasticity of demand">Unit 2.5: Price elasticity of demand</a></li><ul class="level-3 "><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="../21545/determinants-of-price-elasticity-.html" title="Determinants of price elasticity ">Determinants of price elasticity </a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="../21532/ped-elasticity-and-sales-revenue.html" title="PED elasticity and sales revenue?">PED elasticity and sales revenue?</a></li></ul><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../21259/unit-25-income-elasticity-of-demand-yed.html" title="Unit 2.5: Income elasticity of demand (YED)">Unit 2.5: Income elasticity of demand (YED)</a></li><li class=" parent" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../21200/unit-26-price-elasticity-of-supply.html" title="Unit 2.6: Price elasticity of supply">Unit 2.6: Price elasticity of supply</a></li><ul class="level-3 "><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="../20207/perfectly-elastic-inelastic-supply-curves.html" title="Perfectly elastic / inelastic supply curves">Perfectly elastic / inelastic supply curves</a></li></ul><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../20230/a-mathematical-note-about-elasticity-.html" title="A mathematical note about elasticity ">A mathematical note about elasticity </a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../39037/demand-and-supply-crossword.html" title="Demand and supply crossword">Demand and supply crossword</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../29021/unit-25-26-review-terms-1.html" title="Unit 2.5-2.6: Review terms">Unit 2.5-2.6: Review terms</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../20474/unit-25-26-multiple-choice-quiz--1.html" title="Unit 2.5-2.6: Multiple choice quiz ">Unit 2.5-2.6: Multiple choice quiz </a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../44474/unit-21-25-competitive-markets-quiz-1.html" title="Unit 2.1- 2.5: Competitive markets quiz">Unit 2.1- 2.5: Competitive markets quiz</a></li></ul><li class=" parent" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="" href="../20243/unit-27-the-role-of-government-in-microeconomics--1.html" title="Unit 2.7: The role of government in microeconomics ">Unit 2.7: The role of government in microeconomics </a></li><ul class="level-2 "><li class=" parent" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../26590/indirect-taxation.html" title="Indirect taxation">Indirect taxation</a></li><ul class="level-3 "><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="../20246/ped-and-the-burden-of-tax-hl-only-.html" title="PED and the burden of tax (HL only) ">PED and the burden of tax (HL only) </a></li></ul><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../20277/government-subsidies--1.html" title="Government subsidies ">Government subsidies </a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../29117/unit-27-indirect-tax-and-subsidy-review-terms-1.html" title="Unit 2.7: Indirect tax and subsidy review terms">Unit 2.7: Indirect tax and subsidy review terms</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../20287/price-controls-maximum-price--1.html" title="Price controls − maximum price ">Price controls − maximum price </a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../20288/minimum-price-.html" title="Minimum price ">Minimum price </a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../21540/minimum-wage-.html" title="Minimum wage ">Minimum wage </a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../38849/labour-market-crossword-1.html" title="Labour market crossword">Labour market crossword</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../29260/unit-27-price-controls-review-terms-1.html" title="Unit 2.7: Price controls review terms">Unit 2.7: Price controls review terms</a></li></ul><li class="ancestor parent" style="padding-left: 14px"><i class="expander fa fa-caret-right fa-rotate-90"></i><a class="" href="../20303/unit-28-210-market-failure--1.html" title="Unit 2.8-2.10: Market failure ">Unit 2.8-2.10: Market failure </a></li><ul class="level-2 expanded"><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../21543/unit-28-merit-goods--1.html" title="Unit 2.8: Merit goods ">Unit 2.8: Merit goods </a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../23123/unit-28-demerit-goods-negative-externalities-1.html" title="Unit 2.8: Demerit goods / negative externalities">Unit 2.8: Demerit goods / negative externalities</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../38850/market-failure-crossword-1.html" title="Market failure crossword">Market failure crossword</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../29262/unit-29-economics-of-the-environment-and-public-goods--1.html" title="Unit 2.9: Economics of the environment and public goods ">Unit 2.9: Economics of the environment and public goods </a></li><li class="current" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="unit-210-asymmetric-information-hl-only-1.html" title="Unit 2.10: Asymmetric information (HL only)">Unit 2.10: Asymmetric information (HL only)</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../29828/unit-28-210-market-failure-review-sheet.html" title="Unit 2.8-2.10: Market failure review sheet">Unit 2.8-2.10: Market failure review sheet</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../29827/unit-28-210-market-failure-review-terms.html" title="Unit 2.8-2.10: Market failure review terms">Unit 2.8-2.10: Market failure review terms</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../20479/unit-27-210-multiple-choice-quiz--1.html" title="Unit 2.7-2.10: Multiple choice quiz ">Unit 2.7-2.10: Multiple choice quiz </a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../44501/unit-27-210-government-failure-revision-quiz-1.html" title="Unit 2.7-2.10 Government failure revision quiz">Unit 2.7-2.10 Government failure revision quiz</a></li></ul><li class=" parent" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="" href="../20330/unit-211-market-power-hl-only-1.html" title="Unit 2.11: Market power (HL only)">Unit 2.11: Market power (HL only)</a></li><ul class="level-2 "><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../29835/assessment-map.html" title="Assessment map">Assessment map</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../21528/production-hl-only.html" title="Production (HL only)">Production (HL only)</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../29978/revenue-theory-hl-only.html" title="Revenue theory (HL only)">Revenue theory (HL only)</a></li><li class=" parent" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../20357/costs-of-production-hl-only.html" title="Costs of production (HL only)">Costs of production (HL only)</a></li><ul class="level-3 "><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="../21286/economies-and-diseconomies-of-scale-hl-only.html" title="Economies and diseconomies of scale (HL only)">Economies and diseconomies of scale (HL only)</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="../22494/long-run-average-cost-curves-hl-only.html" title="Long run average cost curves (HL only)">Long run average cost curves (HL only)</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="../29838/breakeven-hl-only.html" title="Breakeven (HL only)">Breakeven (HL only)</a></li></ul><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../20340/economic-profit-hl-only.html" title="Economic profit (HL only)">Economic profit (HL only)</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../39082/market-power-crossword.html" title="Market power crossword">Market power crossword</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../22495/revision-exercise-on-cost-and-revenue-hl-only.html" title="Revision exercise on cost and revenue (HL only)">Revision exercise on cost and revenue (HL only)</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../29845/unit-211-costs-revenue-and-profit-review-sheet-hl-only.html" title="Unit 2.11: Costs, revenue and profit review sheet (HL only)">Unit 2.11: Costs, revenue and profit review sheet (HL only)</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../44484/unit-211-multiple-choice-quiz-sl-units-1.html" title="Unit 2.11: Multiple choice quiz (SL units)">Unit 2.11: Multiple choice quiz (SL units)</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../29846/market-structures-hl-only-1.html" title="Market structures (HL only)">Market structures (HL only)</a></li><li class=" parent" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../29981/perfect-competition-hl-only-1.html" title="Perfect competition (HL only)">Perfect competition (HL only)</a></li><ul class="level-3 "><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="../24486/profit-in-perfect-competition-hl-only-1.html" title="Profit in perfect competition (HL only)">Profit in perfect competition (HL only)</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="../21302/efficiency-in-perfect-competition-hl-only.html" title="Efficiency in perfect competition (HL only)">Efficiency in perfect competition (HL only)</a></li></ul><li class=" parent" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../20430/monopoly-hl-only-1.html" title="Monopoly (HL only)">Monopoly (HL only)</a></li><ul class="level-3 "><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="../24529/profit-and-revenue-maximisation-in-monopoly-hl-only-1.html" title="Profit and revenue maximisation in monopoly (HL only)">Profit and revenue maximisation in monopoly (HL only)</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="../21306/a-comparison-of-monopoly-and-perfect-competition-hl-only-1.html" title="A comparison of monopoly and perfect competition? (HL only)">A comparison of monopoly and perfect competition? (HL only)</a></li></ul><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../20435/monopolistic-competition-hl-only-1.html" title="Monopolistic competition (HL only)">Monopolistic competition (HL only)</a></li><li class=" parent" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../20436/oligopoly-hl-only-1.html" title="Oligopoly (HL only)">Oligopoly (HL only)</a></li><ul class="level-3 "><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="../22310/game-theory-hl-only-1.html" title="Game theory (HL only)">Game theory (HL only)</a></li></ul><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../29918/unit-211-market-structures-review-sheet-hl-only-1.html" title="Unit 2.11: Market structures review sheet (HL only)">Unit 2.11: Market structures review sheet (HL only)</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../32337/unit-211-diagram-revision-.html" title="Unit 2.11: Diagram revision ">Unit 2.11: Diagram revision </a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../20480/unit-211-multiple-choice-quiz-hl-only-1.html" title="Unit 2.11: Multiple choice quiz (HL only)">Unit 2.11: Multiple choice quiz (HL only)</a></li></ul><li class="" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="" href="../32425/unit-212-the-markets-inability-to-achieve-equity-hl-only-1.html" title="Unit 2.12: The market’s inability to achieve equity (HL only)">Unit 2.12: The market’s inability to achieve equity (HL only)</a></li></ul><li class=" parent std-toplevel" style="padding-left: 4px"><i class="expander fa fa-caret-right "></i><a class="" href="../21842/unit-3-macroeconomics-.html" title="Unit 3: Macroeconomics ">Unit 3: Macroeconomics </a></li><ul class="level-1 "><li class=" parent" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="" href="../3942/unit-31-measuring-economic-activity-and-illustrating-its-variati-1.html" title="Unit 3.1: Measuring economic activity and illustrating its variations">Unit 3.1: Measuring economic activity and illustrating its variations</a></li><ul class="level-2 "><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../20558/calculating-national-income-1.html" title="Calculating national income">Calculating national income</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../21297/gdp-gni-as-a-measure-of-living-standards.html" title="GDP / GNI as a measure of living standards">GDP / GNI as a measure of living standards</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../20567/national-income-statistics-1.html" title="National income statistics">National income statistics</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../21580/the-business-cycle-1.html" title="The business cycle">The business cycle</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../29931/unit-31-economic-activity-review-sheet-1.html" title="Unit 3.1: Economic activity review sheet">Unit 3.1: Economic activity review sheet</a></li></ul><li class=" parent" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="" href="../20592/unit-32-variations-in-economic-activityaggregate-demand-and-aggr-1.html" title="Unit 3.2: Variations in economic activity—aggregate demand and aggregate supply">Unit 3.2: Variations in economic activity—aggregate demand and aggregate supply</a></li><ul class="level-2 "><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../29933/aggregate-demand-and-supply.html" title="Aggregate demand and supply">Aggregate demand and supply</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../21582/components-of-aggregate-demand-1.html" title="Components of aggregate demand">Components of aggregate demand</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../20634/equilibrium-in-macroeconomics-neo-classical-perspective-1.html" title="Equilibrium in macroeconomics (neo-classical perspective)">Equilibrium in macroeconomics (neo-classical perspective)</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../20439/equilibrium-in-macroeconomics-keynesian-perspective-1.html" title="Equilibrium in macroeconomics (keynesian perspective)">Equilibrium in macroeconomics (keynesian perspective)</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../21349/john-maynard-keynes-1.html" title="John Maynard Keynes">John Maynard Keynes</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../20650/keynesian-v-free-market-debate--1.html" title="Keynesian v free market debate ">Keynesian v free market debate </a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../21342/changes-in-the-long-run-aggregate-supply-1.html" title="Changes in the long run aggregate supply">Changes in the long run aggregate supply</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../30055/unit-32-aggregate-demand-and-supply-review-sheet-1.html" title="Unit 3.2: Aggregate demand and supply review sheet">Unit 3.2: Aggregate demand and supply review sheet</a></li></ul><li class=" parent" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="" href="../20610/unit-35-and-36-demand-management-fiscal-and-monetary-policy-1.html" title="Unit 3.5 and 3.6: Demand management - fiscal and monetary policy">Unit 3.5 and 3.6: Demand management - fiscal and monetary policy</a></li><ul class="level-2 "><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../30058/government-budget.html" title="Government budget">Government budget</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../21585/fiscal-policy--1.html" title="Fiscal policy ">Fiscal policy </a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../21343/multiplier-hl-only.html" title="Multiplier (HL only)">Multiplier (HL only)</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../21795/monetary-policy--1.html" title="Monetary policy ">Monetary policy </a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../30071/independent-central-banks-1.html" title="Independent central banks">Independent central banks</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../30083/unit-35-and-36-review-sheet.html" title="Unit 3.5 and 3.6 review sheet">Unit 3.5 and 3.6 review sheet</a></li></ul><li class=" parent" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="" href="../20615/unit-37-supply-side-policies-1.html" title="Unit 3.7: Supply side policies">Unit 3.7: Supply side policies</a></li><ul class="level-2 "><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../20651/the-role-of-supply-side-policies-1.html" title="The role of supply side policies">The role of supply side policies</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../20622/market-based-and-interventionist-supply-side-policies--1.html" title="Market based and interventionist supply side policies ">Market based and interventionist supply side policies </a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../39129/aggregate-demand-and-supply-crossword-1.html" title="Aggregate demand and supply crossword">Aggregate demand and supply crossword</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../30086/unit-37-review-sheet-1.html" title="Unit 3.7: Review sheet">Unit 3.7: Review sheet</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../20755/unit-31-32-and-35-37-multiple-choice-quiz--1.html" title="Unit 3.1-3.2 and 3.5-3.7: Multiple choice quiz ">Unit 3.1-3.2 and 3.5-3.7: Multiple choice quiz </a></li></ul><li class="" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="" href="../44522/unit-31-32-and-35-37-revision-quiz-1.html" title="Unit 3.1-3.2 and 3.5-3.7: Revision quiz">Unit 3.1-3.2 and 3.5-3.7: Revision quiz</a></li><li class=" parent" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="" href="../20686/unit-33-macroeconomic-objectives.html" title="Unit 3.3: Macroeconomic objectives">Unit 3.3: Macroeconomic objectives</a></li><ul class="level-2 "><li class=" parent" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../30118/unemployment.html" title="Unemployment">Unemployment</a></li><ul class="level-3 "><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="../21351/types-of-unemployment.html" title="Types of unemployment?">Types of unemployment?</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="../21593/equilibrium-unemployment-.html" title="Equilibrium unemployment ">Equilibrium unemployment </a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="../21594/disequilibrium-unemployment-1.html" title="Disequilibrium unemployment">Disequilibrium unemployment</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="../30458/unemployment-review-sheet-1.html" title="Unemployment review sheet">Unemployment review sheet</a></li></ul><li class=" parent" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../20713/inflation--1.html" title="Inflation ">Inflation </a></li><ul class="level-3 "><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="../20712/measuring-inflation-hl-only-1.html" title="Measuring inflation (HL only)">Measuring inflation (HL only)</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="../20685/costs-of-inflation-and-deflation-1.html" title="Costs of inflation and deflation">Costs of inflation and deflation</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="../30465/inflation-review-sheet.html" title="Inflation review sheet">Inflation review sheet</a></li></ul><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../20716/unemployment-v-inflation-trade-off-hl-only-1.html" title="Unemployment v inflation trade off (HL only)">Unemployment v inflation trade off (HL only)</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../39133/macroeconomic-objectives-crossword-1.html" title="Macroeconomic objectives crossword">Macroeconomic objectives crossword</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../44511/unit-33-macroeconomic-indicators-revision-quiz-1.html" title="Unit 3.3: Macroeconomic indicators revision quiz">Unit 3.3: Macroeconomic indicators revision quiz</a></li></ul><li class=" parent" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="" href="../20741/unit-34-economics-of-inequality-and-poverty-1.html" title="Unit 3.4: Economics of inequality and poverty">Unit 3.4: Economics of inequality and poverty</a></li><ul class="level-2 "><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../32398/inequality-1.html" title="Inequality">Inequality</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../21356/the-role-of-spending-and-taxation-on-inequality--1.html" title="The role of spending and taxation on inequality ">The role of spending and taxation on inequality </a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../21313/consequences-of-economic-growth-1.html" title="Consequences of economic growth">Consequences of economic growth</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../30257/economic-growth-and-inequality-review-sheet-1.html" title="Economic growth and inequality review sheet">Economic growth and inequality review sheet</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../20756/unit-33-34-multiple-choice-.html" title="Unit 3.3-3.4: Multiple choice ">Unit 3.3-3.4: Multiple choice </a></li></ul></ul><li class=" parent std-toplevel" style="padding-left: 4px"><i class="expander fa fa-caret-right "></i><a class="" href="../21844/unit-4-global-economy.html" title="Unit 4: Global economy">Unit 4: Global economy</a></li><ul class="level-1 "><li class=" parent" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="" href="../21367/unit-41-benefits-of-international-trade.html" title="Unit 4.1: Benefits of international trade">Unit 4.1: Benefits of international trade</a></li><ul class="level-2 "><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../30529/benefits-of-international-trade.html" title="Benefits of international trade">Benefits of international trade</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../20823/absolute-and-comparative-advantage-hl-only-1.html" title="Absolute and comparative advantage (HL only)">Absolute and comparative advantage (HL only)</a></li></ul><li class=" parent" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="" href="../20845/unit-42-43-trade-protection-1.html" title="Unit 4.2-4.3: Trade protection">Unit 4.2-4.3: Trade protection</a></li><ul class="level-2 "><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../32419/barriers-to-trade-calculations-are-hl-only-1.html" title="Barriers to trade (calculations are HL only)">Barriers to trade (calculations are HL only)</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../21610/case-study-on-tata-steel-1.html" title="Case study on Tata Steel">Case study on Tata Steel</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../23455/the-defence-industry-1.html" title="The Defence industry">The Defence industry</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../30610/unit-41-43-review-sheet-1.html" title="Unit 4.1-4.3: Review sheet">Unit 4.1-4.3: Review sheet</a></li></ul><li class=" parent" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="" href="../20894/unit-44-economic-integration--1.html" title="Unit 4.4: Economic integration ">Unit 4.4: Economic integration </a></li><ul class="level-2 "><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../30634/economic-integration-some-hl-tasks-1.html" title="Economic integration (some HL tasks)">Economic integration (some HL tasks)</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../20840/world-trade-organisation-wto-1.html" title="World trade organisation (WTO)">World trade organisation (WTO)</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../30635/unit-44-review-sheet-1.html" title="Unit 4.4: Review sheet">Unit 4.4: Review sheet</a></li></ul><li class=" parent" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="" href="../20853/unit-45-exchange-rates-1.html" title="Unit 4.5: Exchange rates">Unit 4.5: Exchange rates</a></li><ul class="level-2 "><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../30611/floating-exchange-rates-1.html" title="Floating exchange rates">Floating exchange rates</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../31824/fixed-managed-exchange-rate-systems-some-hl-tasks-1.html" title="Fixed / managed exchange rate systems (some HL tasks)">Fixed / managed exchange rate systems (some HL tasks)</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../21624/the-market-for-foreign-exchange-1.html" title="The market for foreign exchange">The market for foreign exchange</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../30614/unit-45-review-sheet-1.html" title="Unit 4.5: Review sheet">Unit 4.5: Review sheet</a></li></ul><li class=" parent" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="" href="../20859/unit-46-balance-of-payments-1.html" title="Unit 4.6: Balance of payments">Unit 4.6: Balance of payments</a></li><ul class="level-2 "><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../30624/balance-of-payments--1.html" title="Balance of payments ">Balance of payments </a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../21386/current-account-hl-only-1.html" title="Current account (HL only)">Current account (HL only)</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../20872/the-marshall-lerner-condition-j-curve-hl-only-1.html" title="The Marshall-Lerner condition / J curve (HL only)">The Marshall-Lerner condition / J curve (HL only)</a></li></ul><li class="" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="" href="../20899/units-41-46-multiple-choice-quiz--1.html" title="Units 4.1-4.6: Multiple choice quiz ">Units 4.1-4.6: Multiple choice quiz </a></li><li class="" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="" href="../42989/unit-41-46-multiple-choice-quiz-ii-1.html" title="Unit 4.1-4.6: Multiple choice quiz II">Unit 4.1-4.6: Multiple choice quiz II</a></li><li class="" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="" href="../39438/unit-41-46-international-trade-crossword-1.html" title="Unit 4.1-4.6: International trade crossword">Unit 4.1-4.6: International trade crossword</a></li><li class=" parent" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="" href="../32423/unit-47-sustainable-development--1.html" title="Unit 4.7: Sustainable development ">Unit 4.7: Sustainable development </a></li><ul class="level-2 "><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../26092/water-scarcity-activity-1.html" title="Water scarcity activity">Water scarcity activity</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../32426/sustainable-development.html" title="Sustainable development">Sustainable development</a></li></ul><li class=" parent" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="" href="../20928/unit-48-measuring-development--1.html" title="Unit 4.8: Measuring development ">Unit 4.8: Measuring development </a></li><ul class="level-2 "><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../30686/measuring-development-1.html" title="Measuring development">Measuring development</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../21627/economic-development--1.html" title="Economic development ">Economic development </a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../30679/unit-47-48-review-sheet.html" title="Unit 4.7-4.8: Review sheet">Unit 4.7-4.8: Review sheet</a></li></ul><li class=" parent" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="std-disabled" href="#" title="Unit 4.9: Barriers to development">Unit 4.9: Barriers to development</a></li><ul class="level-2 "><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../30727/barriers-to-development-in-international-trade-1.html" title="Barriers to development in International trade">Barriers to development in International trade</a></li></ul><li class=" parent" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="" href="../32430/unit-410-economic-growth-andor-economic-development-strategies-1.html" title="Unit 4.10: Economic growth and/or economic development strategies">Unit 4.10: Economic growth and/or economic development strategies</a></li><ul class="level-2 "><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../30687/the-role-of-domestic-factors-1.html" title="The role of domestic factors">The role of domestic factors</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../30688/the-role-of-international-trade-and-development-1.html" title="The role of international trade and development">The role of international trade and development</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../30689/the-role-of-foreign-direct-investment-fdi-1.html" title="The role of foreign direct investment (FDI)">The role of foreign direct investment (FDI)</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../25240/the-role-of-foreign-aid--1.html" title="The role of foreign aid ">The role of foreign aid </a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../30819/multilateral-development-assistance-1.html" title="Multilateral development assistance">Multilateral development assistance</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../21632/the-role-of-international-debt-1.html" title="The role of international debt">The role of international debt</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../25242/the-balance-between-markets-and-intervention-1.html" title="The balance between markets and intervention">The balance between markets and intervention</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../30926/unit-49-410-review-sheet.html" title="Unit 4.9 - 4.10: Review sheet">Unit 4.9 - 4.10: Review sheet</a></li></ul></ul><li class=" parent std-toplevel" style="padding-left: 4px"><i class="expander fa fa-caret-right "></i><a class="" href="../21380/assessment.html" title="Assessment">Assessment</a></li><ul class="level-1 "><li class=" parent" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="std-disabled" href="#" title="Internal assessment ">Internal assessment </a></li><ul class="level-2 "><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../20608/how-to-write-your-ia-student-handout.html" title="How to write your IA? 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<div id="main-column" class="span9"> <article id="unit-210-asymmetric-information-hl-only" style="margin-top: 16px;">
<h1 class="section-title">Unit 2.10: Asymmetric information (HL only)</h1>
<ul class="breadcrumb"><li><a title="Home" href="../../../economics.html"><i class="fa fa-home"></i></a><span class="divider">/</span></li><li><span class="gray">Units 1-2: Microeconomics</span><span class="divider">/</span></li><li><a title="Go to: Unit 2.8-2.10: Market failure " href="../20303/unit-28-210-market-failure--1.html">Unit 2.8-2.10: Market failure </a><span class="divider">/</span></li><li><span class="active">Unit 2.10: Asymmetric information (HL only)</span></li></ul>
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<h2><img alt="" height="109" src="../../../ib/economics/images/micro-economics-2/used-cars.jpg" style="float: right;" title="image: https://www.bristolstreet.co.uk" width="453">Introduction</h2><p>This page contains a higher level only element of the market market failure section and highlights another example of market failure in an economy. I find that asymmetric information is a difficult concept to teach. For the majority of the IB economics course, we build a world where everyone is rational and the market always operates efficiently. Asymmetric information is a large factor in markets for used goods, insurance, and contracts; all of which a typical economics student will come into contact. </p><div class="greenBg"><h3>Enquiry question</h3><p>Why do economic transactions, when either the buyer or the seller possesses more information than the other, result in market failure. </p></div><div class="blueBg"><h4>Teacher notes</h4><p><strong>Lesson time: </strong>40 minutes</p><p><strong>Lesson objectives:</strong></p><p>Explain, using examples, that market failure may occur when one party in an economic transaction (either the buyer or the seller) possesses more information than the other party.</p><p>Evaluate possible government responses, including legislation, regulation and provision of information.</p><p><strong>Teacher notes:</strong></p><section class="tib-hiddenbox"><p><span style="color:#FF0000;"><strong>1.</strong> <strong>Beginning activity </strong>- complete the bag of sweets game which introduces the concept of information failure. (10 minutes). </span></p><p><span style="color:#FF0000;"><strong>2. Opening discussion </strong>- what have you learnt about information failure as a result of this exercise? (5 minutes) </span></p><p><span style="color:#FF0000;"><strong>3.</strong> <strong>Processes</strong> -<strong> technical Vocabulary </strong>- your classes can learn the required vocabulary watching the video and studying the activity and class handout which follows. (15 minutes)<strong> </strong></span></p><p><strong><span style="color:#FF0000;">3. Reinforcement activities </span></strong><span style="color:#FF0000;">- attached to the class handout are two activities to test the students skills in this topic. (10 minutes).</span></p></section></div><div class="pinkBg"><h4>Beginning activity</h4><p>Watch the following very short video, just 14 seconds, from the American series, The big bang theory. Then play the broken candy game which is designed to teach the concept of imperfect information.</p><p style="text-align: center;"><iframe allowfullscreen="" frameborder="0" height="360" src="//www.youtube.com/embed/CWHGvwcAylU" width="640"></iframe></p></div><div class="pinkBg"><h4>Broken candy game</h4><p>To play this class begin by purchasing a variety of pack of chocolate bars and (if necessary) a hammer. Smash exactly half of the chocolate making them inedible. Now distribute the sweet so that exactly half the class have ruined chocolate and the <img alt="" src="../../../ib/economics/images/micro-economics-2/chocolate-bar.jpg" style="float: left; width: 270px; height: 270px;" title="images google">other half, perfectly edible. You will then inform your class that if they wish they can try and trade the chocolate they were given. Furthermore, that when trading there is one rule:</p><p>'You can say whatever you want to the person you are trading with, but you can't show them your candy bar'.</p><p>Announce that anyone wanting to trade their candy should come to the front of the room and begin trading. Allow the willing group of willing participants to trade, if they are able. Now, ask the students in the front to pull out their candy bars. In almost all cases, every bar will be smashed. Occasionally, you might get an undamaged bar. If this happens then ask the student why? They will probably say that they hate that type of chocolate anyway or perhaps don't particularly like chocolate anyway - some of your class may be Vegan for instance.</p><p>Turning to the class, ask if anyone who has an undamaged candy bar doesn't particularly care for their candy. Some group of students will raise their hands. Allow them to trade candy bars while showing the other student that their candy is undamaged. This is the only group of mutually beneficial trades that didn't occur because of the asymmetric information.</p></div><div class="pinkBg"><h4>Activity 1</h4><p>Start by watching the following video and then answer question regarding Groucho Marx.</p><p style="text-align: center;"><iframe allowfullscreen="" frameborder="0" height="360" src="//www.youtube.com/embed/sXPXpJ5vMnU" width="640"></iframe></p></div><div class="pinkBg"><h5>Activity</h5><p>Why is Groucho Marx's assertion that he would not wish to join any club that allowed him to be a member an example of asymmetric or imperfect information?</p></div><section class="tib-hiddenbox"><p><strong><span style="color:#FF0000;">Hint</span></strong></p><p><span style="color:#FF0000;">This message was sent by telegram with Groucho Marx arguing that any club accepting him as a member must be either charging a price above the socially optimum level and / or granting membership to too many members, given the imperfect information available to them at the time. </span></p></section><div class="blueBg"><h4><span style="color:#000080;"></span><span style="color:#000080;"><img alt="" src="../../../ib/economics/images/micro-economics/asymmetric-information-1.jpg" style="width: 320px; height: 320px; float: right;"></span>Adverse selection</h4><p>Imperfect information exists when either the buyer or seller has less than complete information about the quality of the product they are purchasing, meaning that it will not be possible for the market to reach the allocative efficiency level of output.</p><p>For example, diagram 1 illustrates the used car market. The seller will typically have much greater information about the quality of the car than the potential buyer. Concerned that the car they are trying to purchase maybe a lemon, the buyer is not prepared to pay above MPB. The seller, in return, is only prepared to offer a below quality car, given that even a high quality one will fetch a price below the socially optimum price. The result is that the equilibrium price will be below the socially efficient price and too few second hand cars will be traded - this is <img alt="" src="../../../ib/economics/images/micro-economics/asymentic-information-diagram-2.jpg" style="width: 320px; height: 320px; float: left;">illustrated in the diagram to the right, where both price and output are below the socially optimum level. This also explains why there is a market for second hand car dealerships offering an element of quality / guarantee in exchange for a higher price.</p><p>The second diagram, by contrast, illustrates the opposite situation, where the seller is less informed than the purchaser, for example the market for private medical insurance. In this case the purchaser is more aware of their own health than the supplier of the service. Concerned that each person they provide cover for may be in worse health than they claim, the seller is only prepared to provide coverage at MPC, rather than the socially optimum level of MSC. This means that the final selling price ends up higher than the socially optimum price and again few resources are diverted to the production of that good or service. This is because some potential consumers, classified as risky will not be offered coverage, while some healthy customers, unprepared to pay the high price of premiums will decide not to pay for the service.</p></div><p>Available as a class handout at: <a href="../../../media/ib/economics/files/micro-economics/asymmetric-information.pdf.html" target="_blank" title="Student handouts"><img class="ico" src="../../../thinkib/icons/student-handout.png"> Adverse selection</a></p><div class="pinkBg"><h4><strong>Activity 1</strong></h4><p>Describe examples of markets where either the seller or the buyer has more information about the product being sold?</p></div><section class="tib-hiddenbox"><p><span style="color:#FF0000;">Examples of where the seller has more information and the final selling price will be the below the socially optimum level include:</span></p><ul><li><span style="color:#FF0000;">second hand cars where the seller has much greater knowledge of the products quality, durability, and other features</span></li><li><span style="color:#FF0000;">used telephone, electronics shops.</span></li></ul><p><span style="color:#FF0000;">Examples of where the buyer has more information and the final selling price will be the above the socially optimum level include:</span></p><ul><li><span style="color:#FF0000;">the insurance market where insurers generally possess little information regarding the risks taken by their clients or their likely behaviour and so factor this into the price accordingly.</span></li></ul></section><div class="pinkBg"><h4><strong>Activity 2</strong></h4><p>What actions can a government take to smooth the path of information in such markets?</p></div><section class="tib-hiddenbox"><ul><li><span style="color:#FF0000;">warranty / guarantee certificates</span></li><li><span style="color:#FF0000;">behaviour clauses in the case of the insurance market e.g. certain behaviours that are prohibited when a consumer purchases a certain policy</span></li><li><span style="color:#FF0000;">consumer protection legislation that allow the purchaser some recourse should the product that they purchased in good faith not be delivered as reported</span></li><li><span style="color:#FF0000;">quality / safety certificates.</span></li></ul></section><div class="pinkBg"><h4><strong>Activity 3: A focus on the provision of medical coverage in the private sector </strong></h4><p>Explain how imperfect knowledge impacts on the market for private medical coverage, in nations without universal public provision</p></div><section class="tib-hiddenbox"><p><span style="color:#FF0000;">The provision of medical coverage is one of the markets where the purchaser has more information (i.e. their own health, family history e.t.c.) than the seller of the programme. In economies without universal coverage this presents a clear market failure because consumers will seek to maximise their own advantage when obtaining cover. To cover this eventuality insurance providers will include a significant 'risk premium' in their pricing and may also refuse to cover patients or medical conditions which they consider to be unworthy of the risk, making an efficient allocation of resources in the market impossible.</span></p></section><script>document.querySelectorAll('.tib-teacher-only').forEach(e => e.remove());</script>
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