14.3. Using the same data as in Exercise 14.2, a researcher tests for a stochastic trend in...
Question:
14.3. Using the same data as in Exercise 14.2, a researcher tests for a stochastic trend in ln(IPt), using the following regression:
where the standard errors shown in parentheses are computed using the homoskedasticity-only formula and the regressor t is a linear time trend.
a. Use the ADF statistic to test for a stochastic trend (unit root) in ln(IP).
b. Do these results support the specification used in Exercise 14.2?
Explain.
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Related Book For
Introduction To Econometrics
ISBN: 9781292071367
3rd Global Edition
Authors: James Stock, Mark Watson
Question Posted: