Questions from General Economics

Q: In 1985, neither Florida nor Georgia had laws banning open alcohol

In 1985, neither Florida nor Georgia had laws banning open alcohol containers in vehicle passenger compartments. By 1990, Florida had passed such a law, but Georgia had not. (i) Suppose you can collec...

Q: Using the data in INJURY for Kentucky, we find the estimated

Using the data in INJURY for Kentucky, we find the estimated equation when afchnge is dropped from (13.12) is Is it surprising that the estimate on the interaction is fairly close to that in (13.12)?...

Q: Suppose that the idiosyncratic errors in (14.4), {

Suppose that the idiosyncratic errors in (14.4), {

Q: With a single explanatory variable, the equation used to obtain the

With a single explanatory variable, the equation used to obtain the between estimator is where the overbar represents the average over time. We can assume that E(ai) = 0 because we have included an in...

Q: In a random effects model, define the composite error vit =

In a random effects model, define the composite error vit =

Q: In order to determine the effects of collegiate athletic performance on applicants

In order to determine the effects of collegiate athletic performance on applicants, you collect data on applications for a sample of Division I colleges for 1985, 1990, and 1995. (i) What measures of...

Q: Use all the data in PHILLIPS to answer this question. You

Use all the data in PHILLIPS to answer this question. You should now use 56 years of data. (i) Reestimate equation (11.19) and report the results in the usual form. Do the intercept and slope estimate...

Q: Suppose that, for one semester, you can collect the following

Suppose that, for one semester, you can collect the following data on a random sample of college juniors and seniors for each class taken: a standardized final exam score, percentage of lectures atten...

Q: Using the “cluster” option in the econometrics package Stata®

Using the “cluster” option in the econometrics package Stata® 11, the fully robust standard errors for the pooled OLS estimates in Table 14.2—that is, robust to serial correlation and heteroskedastici...

Q: The data in CENSUS2000 is a random sample of individuals from the

The data in CENSUS2000 is a random sample of individuals from the United States. Here we are Interested in estimating a simple regression model relating the log of weekly income, lweekinc, to schoolin...