Information in Competitive Markets In purely competitive markets all agents are fully informed about traded commodities and other aspects of the market. What about markets for medical services, or insurance, or used cars?

北京大学：《微观经济学》课程教学资源（案例）Chapter 3.1（riskofchoice）理性与风险难题

北京大学：《微观经济学》课程教学资源（案例）Chapter 2.2（Consumertheory）从“芙蓉姐姐”到“超级女声

北京大学：《微观经济学》课程教学资源（案例）Chapter 2.1（Consumertheory）谁在消费昂贵? 奢侈品消费群调查

北京大学：《微观经济学》课程教学资源（案例）Chapter 1.2（Demand&Supply）公园门票降价或涨价的启示

北京大学：《微观经济学》课程教学资源（案例）Chapter 1.1（Demand&Supply）燃油税幕后利益博弈——中国逼近10元1升油价时代

Structure Describe preferences Indifference curves(无差异曲线) Well- behaved preferences Marginal rate of substitution(边际替代率)

Contents Dominant strategy Nash equilibrium Prisoner's' dilemma and repeated games Multiple equilibria and sequential games Pure and mixed strategies

Structure Market equilibrium Quantity tax and equilibrium Tax incidence税收分担) Deadweight loss(额外净损失)

How Should a Monopoly Price? So far a monopoly has been thought of as a firm which has to sell its product at the same price to every customer. This is uniform pricing. Can price-discrimination-(差别定价 ) earn monopoly higher profits?