Suppose a firm’s cost function is given by C(q) = 20 + 10q − 4q^2 + q^3 (a) What is fixed cost? (b) What is variable cost? (c) Compute average cost, average fixed cost, and average variable cost, assuming q > 0. (d) Derive marginal cost. (e) Solve for the shut-down level of production, qSD. (Hint: The minimum of a well-behaved curve can be found by setting the first derivative equal to zero.)
Suppose a firm’s cost function is given by C(q) = 20 + 10q − 4q^2 + q^3 (a) What is fixed cost? (b) What is variable cost? (c) Compute average cost, average fixed cost, and average variable cost, assuming q > 0. (d) Derive marginal cost. (e) Solve for the shut-down level of production, qSD. (Hint: The minimum of a well-behaved curve can be found by setting the first derivative equal to zero.)
Principles of Economics 2e
2nd Edition
ISBN:9781947172364
Author:Steven A. Greenlaw; David Shapiro
Publisher:Steven A. Greenlaw; David Shapiro
Chapter7: Production, Costs, And Industry Structure
Section: Chapter Questions
Problem 19RQ: What shapes would you generally expect each of the following cost curves to have: fixed costs,...
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1. Suppose a firm’s cost function is given by C(q) = 20 + 10q − 4q^2 + q^3
(a) What is fixed cost?
(b) What is variable cost?
(c) Compute average cost, average fixed cost, and average variable cost, assuming q > 0.
(d) Derive marginal cost.
(e) Solve for the shut-down level of production, qSD. (Hint: The minimum of a well-behaved
curve can be found by setting the first derivative equal to zero.)
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