According to Keynesian theory, the profit-maximizing firm demands labo

According to Keynesian theory, the profit-maximizing firm demands labor up to the point at which

a. the real wage is equal to the marginal productivity of labor.
b. the money wage paid to labor is just equal to the money value of the marginal product of labor.
c. labor and capital costs are equal.
d. a and/or b are correct.

ANSWER

D