Print out the regression and answer each of the following questions for the above regression run.

  1. Evaluate this result with respect to its economic meaning, overall fit, and the signs and significance of the individual coefficients.

  2. What econometric problems does this regression have? 

    Serial correlation or heteroskedasticity may well be the biggest remaining problems.

  3. Which of the following statements comes closest to your recommendation for further action to be taken in the estimation of this equation?
    1. No specification changes are advisable (go to the next section).
    2. No variable changes are advisable, but I am concerned about heteroskedasticity or serial correlation (go to the next section).
    3. I would like to add PROPK to the equation (go to question set 8).
    4. I would like to drop the dummies from the equation (go to question set 5).
    5. I would like to change to LYDUSP from YDUSP (go to question set 14).