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Unformatted text preview: Econ 103 UCLA, Spring 2011 Problem Set 4 Due: Tuesday, May 10 in hardcopy at the beginning of class Note: Please attach the Homework Cover Page from Classweb to the front of your home- work. Part 1: True or False and explain brie y why. 1. In the regression model Y i = + 1 Female i + 2 Education i + u i , 1 represents the intercept for females. 2. In the regression model Y i = + 1 Female i + 2 Education i + 3 Education i Female i + u i , 2 + 3 represents the return to education for females. 3. The overall regression F-statistic tests the null hypothesis that all slope coe cients are zero. 4. If you reject a joint null hypothesis that a group of regressors have no e ect on the dependent variable using the F-test, then a series of individual t-tests will reject as well. 5. In the model Y i = + 1 ln( X i )+ i , the e ect of X on Y does not depend on the level of X . 6. If you estimate the regression model Y = + 1 female + 2 education + 3 education female + , where Y is earnings, the constant term will represent average earnings for men, and 1 will represent the average earnings for women....
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- Spring '07