4644 The Markets for the Factors of Production
78. Which of the following statements is correct?
a. Neither economic theory nor evidence from the U.S. economy suggests that there is a close
link between productivity and real wages.
b. Economic theory suggests that there is a close link between productivity and real wages, but
evidence from the U.S. economy fails to confirm that link.
c. Evidence from the U.S. economy suggests a close link between productivity and real wages,
but economic theory provides no basis for such a link.
d. Both economic theory and evidence from the U.S. economy suggest that there is a close link
between productivity and real wages.
79. Suppose an increase in the demand for labor results in an increase of $4 per hour in the
equilibrium wage. How does the increase in the demand for labor affect the value of the marginal
product of labor (VMPL)?
a. The VMPL increases by less than $4.
b. The VMPL increases by $4.
c. The VMPL increases by more than $4.
d. The VMPL decreases by $4.