The following model is simplified version of the multiple regression model used by Biddle and Hamermesh (1990)
Question:
Sleep = (0 + (1 totwrk + (2 edu + (3 age + u,
Where sleep and totwrk (total work) are measured in minutes per week and educ and age are measured in years. (See also Compute Exercise C2.3.)
(i) If adults trade off sleep for work, what is the sign of (1?
(ii) What signs do you think (2 and (3 will have?
(iii) Using the data in SLEEP75.RAW, the estimated equation is
If someone works five more hours per week, by how many minutes is sleep predicted to fail? Is this a large tradeoff?
(iv) Discuss the sign and magnitude of the estimated coefficient on educ.
(v) Would you say totwrk, educ, and age explain much of the variation in sleep? What other factors might affect the time spent sleeping? Are these likely to be correlated with totwrk?
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Related Book For
Introductory Econometrics A Modern Approach
ISBN: 978-0324660548
4th edition
Authors: Jeffrey M. Wooldridge
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