Structure Market environments Market demand for a competitive firm Short-run supply decision Upward sloping MC curve Shut-down condition Long-run supply decision Comparing long-run and short-rundecisions. Producer’s surplus and profits

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

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

OTHER GOOD Rebating a Consumption tax based on inder RTP initial consumption RTP budget constraint Baseline

Quasi-linear Indifference preferences curves Final budget line Original budget Pivot Substitution effect=total effect

北京大学：《中级微观经济学》课程教学资源（PPT课件讲稿，英文版）Indifference curves（主讲：赵耀辉）

本章目的:用供给曲线和需求曲线分析政策的效率

Chapter Six Monopoly : Market Power 垄断：市场力 Chapter 7 Monopolistic Competition (垄断竞争市场) Chapter 8 Oligopoly (寡头市场) Chapter 9 Game Theory

完全竞争性厂商如何选择产量以使它的利润最大

生产理论和成本理论是企业经营管理的关键所在