Cost Functions: A firm operates with a production function, y = 4√lk and input prices Pe = 6 and Pk = 7. In the short run, capital is a fixed input, k = 36. (a) Find the firm's cost function, c(y), the minimum cost to produce a given amount of output. (b) In the long run, both labor and capital are variable inputs. Suppose that py = 20; what will the firm do in the long run? What if the price is py = 0.50?¹
Cost Functions: A firm operates with a production function, y = 4√lk and input prices Pe = 6 and Pk = 7. In the short run, capital is a fixed input, k = 36. (a) Find the firm's cost function, c(y), the minimum cost to produce a given amount of output. (b) In the long run, both labor and capital are variable inputs. Suppose that py = 20; what will the firm do in the long run? What if the price is py = 0.50?¹
Chapter1: Making Economics Decisions
Section: Chapter Questions
Problem 1QTC
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Transcribed Image Text:2. Cost Functions: A firm operates with a production function, y = 4√lk and input prices
Pe = 6 and Pk = 7. In the short run, capital is a fixed input, k = 36.
(a) Find the firm's cost function, c(y), the minimum cost to produce a given amount of
output.
(b) In the long run, both labor and capital are variable inputs. Suppose that
what will the firm do in the long run? What if the price is py:
=
0.50?¹
=
Py 20;
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