一、经济学的产生 经济学(economics)产生于客观存在的稀缺性及由此所引起的选择的需要

Problem Set 3 Prof. Gene Chang (For Ph. D students, due on Dec. 28th in the class, or TA's office. For M.A. students, due on Dec. 26th, in the class or TA's office. Late turn-in may result in a penalty in the grade) 1. Kland is a Robinson Crusoe type economy. Robinson, as the consumer and the owner of the firm, has the utility function U(x,) =aIn x+ BInI, where is leisure. Robinson's endowment

Problem Set 1 Prof. Gene Chang Due on Dec.5 5th in the class,orta' 's office(经院220室) Late turn-in may result in a penalty in the grade 1. The consumption set is={x X E}. Suppose the utility function representing the preference

在1.3我们讨论了为保证一般均衡的存在,消费方面必须满足的一些条件,在 1.4中我们将继续讨论为保证一般均衡的存在,在生产集方面必须满足的条件。 这些条件主要是 Debreu建立的

11.1表面粗糙度的概念及其注法 一、表面粗糙度的概念 表面粗糙度是指零件的加工表面上具有的较小间距和峰谷所形成的微观几何形状误差

Aggregation and Welfare Content Consumer's surplus Aggregation Representation consumer

profit maximization Content: Some definition Isoprofit curve Demand function and it's properties supply function and it's properties Profit function and it's properties

Preference and Choice Content: Preference and rationality The rule of choice Budget Demand function WAand demanded law

CONTENT Wa and demand law From preferences to utility Utility maximization EXpenditure minimization

Contents Inter-temporal preferences Two periods Several periods · Asset market CAPM -APT Complete market Pure arbitrage