Economics 312

Spring 2010
Problem Set #1

Due noon, Friday, February 5


1. Work the following exercises from Stock and Watson's Chapter 4:

  • 4.2
  • 4.3

2. (Variant of 4.11a) Suppose that we know with certainty that the intercept of the true regression equation is equal to zero.

  • Use the method of least squares to find an estimator of the slope coefficient.
  • Assuming that the error term is IID and conditionally normally distributed, does the method of maximum likelihood lead to the same estimator?
  • Can the same estimator be derived by the method of moments?