5.1 The Meaning of Regression Analysis 1.Regression analysisthe study of the relationship between one variable Y (the explained, or dependent variable) and one or more other variables X/Xs (explanatory, or independent variables)

2.1 SOME NOTATION 1. The Summation Notation X, =X1++...+n can be abbreviated as:Σx,orΣx 2. Properties of the Summation Operator

Consumer Preferences Budget Constraints Consumer Choice Revealed Preferences

What is money? Notes Coins Current deposits （活期存款） other deposits with banks（银行的其它存款） Currency(现金) M3 = C + D

Microeconomics Microeconomics(微观经济学) is the study of how individual households and firms make decisions and how they interact with one another in markets

Real GDP versus Money GDP (实际GDP和名义GDP) Money GDP/Nominal GDP(名义GDP) values the production of goods and services at current prices(以现价). Real GDP(实际GDP) values the production of goods and services at constant prices(以不变价格)

Supply and Demand The Market Mechanism Changes in Market Equilibrium Elasticities of Supply and Demand Short-Run Versus Long-Run Elasticities

employment GDP=DI consumption saving

Quality Uncertainty and the Market for Lemons Market Signaling Moral Hazard The Principal-Agent Problem

General Equilibrium Analysis Efficiency in Exchange Equity and Efficiency Efficiency in Production