What Is the Question of the Chapter? Suppose we observe a collection of a consumer’s choices, can we discover his/her preference? Is this possible at all? If so, under what conditions is this possible? (This is the reverse question of finding the optimal choice)

Where Are We in the Course? We are studying the 1st of the three blocks of microeconomics: Consumer behavior, production theory, and market equilibrium Within the 1st block, we are working on the 2nd of the three components: choice set, preference, and consumer demand

Market Equilibrium A market is in equilibrium when total quantity demanded by buyers equals total quantity supplied by sellers

From Individual to Market Demand Functions Think of an economy containing n consumers, denoted by i = 1, … ,n. Consumer i’s ordinary demand function for commodity j is

Monetary Measures of Gains-to￾Trade You can buy as much rice as you wish at RMB1 per kilogram once you enter the gasoline market. Q: What is the most you would pay to enter the market?

What Are We Doing in this Chapter? We apply our basic framework of consumer choice to study issues of choices across different time periods; Again, in terms of theoretical framework, not much is new!

Main Issue Mean-Variance Utility Budget Constraints for Risky Assets Measuring Risk Capital Asset Pricing Model

Assets An asset is a commodity that provides a flow of services over time. E.g. a house, or a computer. A financial asset provides a flow of money over time -- a security

目录 1.货币数量论 2.费雪效应 3.考虑费雪效应的货币市场均衡 4.通货膨胀的社会成本 5.超速通货膨胀 6.古典二分法 7.本章小结

目录 1.货币及其分类 2.货币供给与中央银行 3.商业银行 4.货币需求函数 5.货币市场均衡 6.本章小结