1. Suppose that firm’s technology is given by the following production function: Q(K,L)= L1/2K1/2 The prices of inputs are w = 2 and r = 2. a) Does this production function exhibit increasing, decreasing or constant returns to scale? Prove your answer. b) Derive the equation of firm’s long-run total cost curve (TC(y)), the long-run average cost curve (AC(y)), and the long-run marginal cost curve (MC(y)).

Microeconomic Theory
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ISBN:9781337517942
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Chapter10: Cost Functions
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1. Suppose that firm’s technology is given by the following production function:

Q(K,L)= L1/2K1/2

The prices of inputs are w = 2 and r = 2.

a) Does this production function exhibit increasing, decreasing or constant returns to scale? Prove your answer.

b) Derive the equation of firm’s long-run total cost curve (TC(y)), the long-run average cost curve (AC(y)), and the long-run marginal cost curve (MC(y)).

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