Structure Economic profit Short-run profit maximization –Comparative statics Long-run profit maximization Profit maximization and returns to scale Revealed profit maximization

1、资源环境问题与经济、社会、政治、文化问题的交叉渗透 1.1 对经济发展的影响：资环约束增加经济发展的不确定性 1.2 对社会发展的影响：环境公平问题危及社会稳定 1.3 国际和国内政治压力：资源环境问题的政治性日益凸显 1.4 与文化生活的交织：环境与生态危机折射价值危机 2、资源环境问题对策 2.1 对社会发展目标的反思 2.2 “五位一体”的环境综合治理战略 2.3 “十九大”报告中的生态文明建设 3、案例： 低碳/绿色城市建设

Structure When to sell an asset? –Rate-of-return Arbitrage Taxation of asset returns Applications Financial intermediaries

Properties of Demand Functions Comparative statics analysis （比较 静态分析）of ordinary demand functions -- the study of how ordinary demands x1

Effects of a Price Change What happens when a commodity’s price decreases? –Substitution effect (替代效应）: the commodity is relatively cheaper, so consumers substitute it for now relatively more expensive other commodities

Structure Rational constrained choice Computing ordinary demands – Interior solution （内在解） –Corner solution （角点解） – “Kinky” solution Example: Choosing taxes

Contents Describe budget constraint –Algebra –Graph Describe changes in budget constraint Government programs and budget constraints Non-linear budget lines

Structure Endowments Budget constraints with endowments Net demands Labor supply

中国地质大学：电子商务（网络经济对传统商务的冲击）

一、相互依存性和贸易 想一想你日常生活中某一天，温州制造的闹钟把你吵醒