The Concept of Investment For a one period investment, the ROR can be evaluated each year. For investments that generate returns in many periods, there are two ways of describing the rate of return

Structure The cost minimization problem Average costs Returns to scale and total and average costs Short run and long run costs

Structure What causes monopoly Profit-maximizing choices of monopoly Markup pricing Taxing a monopoly Inefficiency of monopoly Natural monopoly (自然垄断)

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

Now Add Production ... Add input markets, output markets, describe firms’ technologies, the distributions of firms’ outputs and profits … That’s not easy!

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

中国农业大学：《微观经济学》课程教学课件（PPT讲稿）第12章 社会福利与帕累托效率

中国农业大学：《微观经济学》课程教学课件（PPT讲稿）第11章 要素市场与收入分配

中国农业大学：《微观经济学》课程教学课件（PPT讲稿）第10章 寡头垄断市场（一个需要勾结的市场）

中国农业大学：《微观经济学》课程教学课件（PPT讲稿）第9章 垄断竞争与企业决策