Content The“core Uniqueness of equilibrium Stability of equilibrium · Welfare

Content Pure exchange system The existence of Walrasian equilibrium The first theorem of welfare economics The second theorem of welfare economics Exchange with production

• Perfect Bayesian Equilibrium • Signaling Games • Applications – Job market signaling game – Cheap talk game – Investment financing – Wage bargaining – Reputation and cooperation

浙江工业大学：《微观经济学》课程教学资源（PPT课件）05 成本理论

浙江工业大学：《微观经济学》课程教学资源（PPT课件）06 成本

profit maximization Contain: Some definition -Isoprofit curve -Demand function and it's properties supply function and it's properties -Profit function and it's properties lecture 2 for Chu Kechen Honors College

Preference and Choice Content: Preference and rationality The rule of choice Budget Demand function WAand demanded law lecture5 for Chu Kechen Honors College

CONTENT WA and demand law From preferences to utility Utility maximization Expenditure minimization

Duality Given the technology, we can obtain the cost function, are the cost function contains the same information of the technology (production function)? If the answer is \yes\, then the cost minimization behavior will indicate the technology of the firm

Aggregation and Welfare Content: Consumer's' surplus Aggregation Representation consumer