Consider Delta, a price-taking single-output, single input firm with the following production function: f (z) = z4/5 a) Define non decreasing returns to scale and non-increasing returns to scale in terms of the production function and give conditions under which f(z) satisfies these properties. b) Suppose that the price of the input z is ѿ =1. Set up the cost minimization problem and solve for the conditional factor demand correspondence and the cost function. c) Set up Delta's profit maximization problem using the cost function you derived in (b) above and solve for the supply correspondence and the profit function.

Microeconomic Theory
12th Edition
ISBN:9781337517942
Author:NICHOLSON
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Chapter10: Cost Functions
Section: Chapter Questions
Problem 10.6P
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Consider Delta, a price-taking single-output, single input firm with the following production function:

f (z) = z4/5
a) Define non decreasing returns to scale and non-increasing returns to scale in terms of the production function and give conditions under which f(z) satisfies these properties.


b) Suppose that the price of the input z is ѿ =1. Set up the cost minimization problem and solve for the conditional factor demand correspondence and the cost function.


c) Set up Delta's profit maximization problem using the cost function you derived in (b) above and solve for the supply correspondence and the profit function.

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