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

Structure Present and future values Intertemporal budget constraint Preferences for intertemporal consumption Intertemporal choice Comparative statics Valuing securities

Structure Money equivalent of utility gains to trade Consumer's' surplus Changes in consumer's' surplus Compensating and equivalent variations Producer's' surplus

Structure Describing technologies Production set or technology set Production function Isoquant Marginal product Returns to scale Technical rate of substitution well- behaved technologies Long run and short run

Structure Types of cost curves Fixed, variable and total cost functions Average fixed, average variable and average cost functions Marginal cost functions Marginal and variable cost functions Marginal and average cost functions Short run and long run cost curves

Structure on -collusive- moves Simultaneous moves Quantity competition -Cournot model Price competition- Bertrand model Sequential moves Quantity leadership- Stakelberg model Price leadership Collusion

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

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--run decisions Producer's' surplus and profits

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

Structure State contingent consumption(依情 形而定的消费) Preferences under uncertainty Attitudes toward risk State-contingent- budget constraint Choice under uncertainty Diversification and risk spreading