At the XYZ Co, a unit of capital costs 3 times as much as a unit of labor. If the isoquants are convex, and the firm does not change its input mix in the long run, we can conclude that

A) MPK = 3 ? MPL.
B) the firm will not hire any capital.
C) the firm will hire 3 times as much labor as capital.
D) the firm will hire 3 times as much capital as labor.

A

Economics

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