Question: GIVEN: X = 2 1 K 2 + L Y = 2 0 K L a. Show and discuss which exhibits diminishing marginal productivity labor

GIVEN:

X=21K2+L

Y=20KL

a. Show and discuss which exhibits diminishing marginal productivity labor and capital;

b. How about diminishing MRTSLK?

c. If capital and labor are doubled, please solve for returns of scale of X and Y. Please explain the results.

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