Dummy variables (also indicator variables; binary variables categorical variables; dichotomous variables.) Qualitative variables in regression model For example: sex, race, color, religion, nationalit y, marital status, etc

The Object of Hypothesis Testing To answer- How \good\ is the estimated regression line. How can we be sure that the estimated regression function (i.e., the SRF) is in fact a good estimator of the true PRF?

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

上海大学经济学院：风险管理与保险规划（PPT教案讲稿）Fundamentals of Risk and Insurance

8.1 可化为线性回归的曲线回归 8.2 多项式回归 8.3 非线性模型 8.4 本章小结与评注

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

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