If R is the real interest rate, w is the real wage, MPK is the marginal product of capital, and MPL is the marginal product of labor, which of the following conditions informs the profit-maximizing firm how much capital to invest?
A) R = MPK
B) R = w
C) R = 0 and MPK= MPL
D) MPK = MPL
E) MPK MPL if R w
Correct Answer:
Verified
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