A researcher wished to investigate the effect of the value of a firm (denoted Value) and the
Question:
A researcher wished to investigate the effect of the value of a firm (denoted Value) and the capital stock (denoted Captial) on the Investments. Therefore data for 10 companies during 20 years is collected. The researcher is choosing between a pooled OLS, random effect model with company random effects and fixed effect model with company fixed effect. The result is as follows:
a. Write the fixed effect model using formulas and the variable names from this question.
b. Based on Hausman test, which method is preferred?
c. Based on the description of the data and the Hausman test would you use a fixed or a random effect model?
d. Test the overall significance of the random effect model.
Statistics for Business and Economics
ISBN: 978-0321826237
12th edition
Authors: James T. McClave, P. George Benson, Terry T Sincich