A firm has a production function given by Q= ALα Kβ and per unit price of capital (K) and Labour  (L) are r and w respectively. Find the Marginal Rate of Technical substitution for capital for this firm If the firm seeks to minimize its cost and its in the short run of production such that K = K, find L and the short run cost function Suppose that the firm can now change all its inputs and it seeks to minimize its cost. Find the input demand functions of K and L; as well as the long run cost function

Microeconomic Theory
12th Edition
ISBN:9781337517942
Author:NICHOLSON
Publisher:NICHOLSON
Chapter11: Profit Maximization
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Problem 11.9P
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A firm has a production function given by Q= ALα Kβ and per unit price of capital (K) and Labour  (L) are r and w respectively.

  1. Find the Marginal Rate of Technical substitution for capital for this firm
  2. If the firm seeks to minimize its cost and its in the short run of production such that K = K, find L and the short run cost function
  3. Suppose that the firm can now change all its inputs and it seeks to minimize its cost. Find the input demand functions of K and L; as well as the long run cost function
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