Suppose you want to examine the effects of a training program on future earnings using the following model: earn984.64+2.376train +0.371 earn96 +0.366educ- 1.86 age + 2,534 married (1.14) (0.016) (0.062) (0.013) (0.4) where earn 98- 1998 earnings, in thousands of dollars train-1 if the individual participated in the training program, and -0 otherwise (0.43) earn 96- 1996 earnings, in thousands of dollars educ years of education age age, in years married-1 if the individual is married, and -0 otherwise Suppose that there is a high degree of correlation (but not perfect) between earnings in 1996, education, age, and marital status. True or False: We should be concerned about this high degree of correlation because it affects our ability to reliably estimate the impact of the training program on 1998 earnings, r. True False
Suppose you want to examine the effects of a training program on future earnings using the following model: earn984.64+2.376train +0.371 earn96 +0.366educ- 1.86 age + 2,534 married (1.14) (0.016) (0.062) (0.013) (0.4) where earn 98- 1998 earnings, in thousands of dollars train-1 if the individual participated in the training program, and -0 otherwise (0.43) earn 96- 1996 earnings, in thousands of dollars educ years of education age age, in years married-1 if the individual is married, and -0 otherwise Suppose that there is a high degree of correlation (but not perfect) between earnings in 1996, education, age, and marital status. True or False: We should be concerned about this high degree of correlation because it affects our ability to reliably estimate the impact of the training program on 1998 earnings, r. True False
Chapter1: Making Economics Decisions
Section: Chapter Questions
Problem 1QTC
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![13. Collinearity in a multiple regression analysis
Suppose you want to examine the effects of a training program on future earnings using the following model:
earn98= 4.64 +2.376train +0.371earn96 +0.366educ- 1.86 age +2.534 married
(1.14) (0.43)
(0.016)
(0.062)
(0.013)
(0.4)
where
earn 98- 1998 earnings, in thousands of dollars
train -1 if the individual participated in the training program, and =0 otherwise
earn 96- 1996 earnings, in thousands of dollars
educ years of education
age = age, in years
married-1 if the individual is married, and -0 otherwise
Suppose that there is a high degree of correlation (but not perfect) between earnings in 1996, education, age, and marital status.
True or False: We should be concerned about this high degree of correlation because it affects our ability to reliably estimate the impact of the training
program on 1998 earnings, T.
True
False](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd2891624-5653-4800-a5b8-ef2542d0501e%2Ff47bb1a3-8e18-4abe-96b8-240937bfdff3%2Fo0wenoc_processed.png&w=3840&q=75)
Transcribed Image Text:13. Collinearity in a multiple regression analysis
Suppose you want to examine the effects of a training program on future earnings using the following model:
earn98= 4.64 +2.376train +0.371earn96 +0.366educ- 1.86 age +2.534 married
(1.14) (0.43)
(0.016)
(0.062)
(0.013)
(0.4)
where
earn 98- 1998 earnings, in thousands of dollars
train -1 if the individual participated in the training program, and =0 otherwise
earn 96- 1996 earnings, in thousands of dollars
educ years of education
age = age, in years
married-1 if the individual is married, and -0 otherwise
Suppose that there is a high degree of correlation (but not perfect) between earnings in 1996, education, age, and marital status.
True or False: We should be concerned about this high degree of correlation because it affects our ability to reliably estimate the impact of the training
program on 1998 earnings, T.
True
False
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