nterested in the relationship between weekly earnings and age. The regression, using heteroskedasticity-robust standard errors, yielded the following result:    = 239.16 + 3.75× Age, R2 = 0.15, SER = 287.21.,   where Earn and Age are measured in dollars and years respectively.   a) Interpret the intercept?   b) Interpret the slope coefficient?   c) Is the effect of age on earnings large?

Managerial Economics: Applications, Strategies and Tactics (MindTap Course List)
14th Edition
ISBN:9781305506381
Author:James R. McGuigan, R. Charles Moyer, Frederick H.deB. Harris
Publisher:James R. McGuigan, R. Charles Moyer, Frederick H.deB. Harris
Chapter4: Estimating Demand
Section: Chapter Questions
Problem 9E
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You have obtained a sub-sample of 1744 individuals from the Current Population Survey (CPS) and are interested in the relationship between weekly earnings and age. The regression, using heteroskedasticity-robust standard errors, yielded the following result:

 

 = 239.16 + 3.75× Age, R2 = 0.15, SER = 287.21.,

 

where Earn and Age are measured in dollars and years respectively.

 

a) Interpret the intercept?

 

b) Interpret the slope coefficient?

 

c) Is the effect of age on earnings large?

 

d) The average age in this sample is 37.5 years. What is annual income in the sample?

 

e) Interpret the measures of fit?

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