Question: Using the data set TeachingRatings described in Empirical Exercises 4.2. carry out the following exercises. a. Run a regression of Course_Eval on Beauty. What is

Using the data set TeachingRatings described in Empirical Exercises 4.2. carry out the following exercises.

a. Run a regression of Course_Eval on Beauty. What is the estimated slope?

b. Run a regression of Course_Eval on Beauty, including some additional variables to control for the type of course and professor characteris- tics. In particular, include as additional regressors Intro, OneCredit. Female, Minority, and NN English. What is the estimated effect of Beauty on Course Eval? Does the regression in

(a) suffer from impor tant omitted variable bias?

c. Professor Smith is a black male with average beauty and is a native English speaker. He teaches a three-credit upper-division course, Pre- dict Professor Smith's course evaluation.

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