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

• 有益公共物品与有害公共物品 • 公益与公害的最优供给 • 有益和有害公共物品的定价 • 外部性

• 只有一个污染者时的庇古税 • 多个污染者时的情况：边际均等原则 • 征税与补贴 • 不充分的竞争

►污染管理政策的基本原理 ►污染管理的政治经济学含义 ►环境管理政策的主要模式 ►环境管理的复杂性 ►环境管理的主要问题

• 简介 • 是污染者享有污染权，还是受害者享有免遭污染的权利 • 科思定理 • 有害公共物品及其交易 • 团体内部的交易

• 效率的含义 • 效率与竞争性市场 • 供给、需求与效率 • 成本—收益分析

Structure Definition When to provide a public good Efficient provision Private provision: free-riding Variable quantities of public good -Efficient amount Free-riding problem How to provide public goods? Demand revelation

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

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?

Structure Definition Consumption externality Production externality The tragedy of commons