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04/11/2304/11/23 11
Consumers, Producers, Consumers, Producers, and the Efficiency of and the Efficiency of
MarketsMarkets
Chapter 7Chapter 7
04/11/2304/11/23 22
OutlineOutline
Consumer SurplusConsumer Surplus Producer SurplusProducer Surplus Market EfficiencyMarket Efficiency Conclusion: Market Efficiency and Market Conclusion: Market Efficiency and Market
FailureFailure
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Consumer Surplus (CS)Consumer Surplus (CS)
Willingness to payWillingness to pay Using the demand curve to measure CSUsing the demand curve to measure CS How a lower price raises CSHow a lower price raises CS What does CS measure?What does CS measure?
04/11/2304/11/23 44
Producer Surplus (PS)Producer Surplus (PS)
Cost and willingness to sellCost and willingness to sell Using supply curve to measure PSUsing supply curve to measure PS How a higher price raises PSHow a higher price raises PS
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Market EfficiencyMarket Efficiency
The benevolent social plannerThe benevolent social planner Evaluating the market equilibriumEvaluating the market equilibrium
Should there be a market in organs?Should there be a market in organs?Ticket scalpingTicket scalping
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ConclusionConclusion
Market efficiencyMarket efficiency Market failureMarket failure
04/11/2304/11/23 77