ENGR.ECONOMIC ANALYSIS
ENGR.ECONOMIC ANALYSIS
14th Edition
ISBN: 9780190931919
Author: NEWNAN
Publisher: Oxford University Press
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(a) For the cost function C(w1, w2, y) = 2y²w} w, calculate the Allen elasticity
of substitution between the two inputs at the cost-minimizing input point
(xf(w1, w2, y), a(w1, w2, y)).
(b) Consider the production function f(r, y, z) = Vry + rz+ yz. Find the scale
elasticity SE at (x, y, z) = (1,2, 3), (5, 1,6), (6, 6, 6) and determine if the pro-
duction function is IRTS, CRTS, or DRTS locally at each point.
(c) A profit maximizing firm in the market operates where the production exhibits
decreasing return to scale (DRTS). Is this market in its long-run equilibrium?
Justify your answer.
(d) Suppose that there are the infinite number of potential firms that produce the
identical output good y under the cost function C(y) = + 3. Assume free
entry and exit. Find the long-run equilibrium output price p, the amount of
the output that each firm in the market produces in the long-run equilibrium,
and the value of profit that each firm earns in the equilibrium.
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Transcribed Image Text:(a) For the cost function C(w1, w2, y) = 2y²w} w, calculate the Allen elasticity of substitution between the two inputs at the cost-minimizing input point (xf(w1, w2, y), a(w1, w2, y)). (b) Consider the production function f(r, y, z) = Vry + rz+ yz. Find the scale elasticity SE at (x, y, z) = (1,2, 3), (5, 1,6), (6, 6, 6) and determine if the pro- duction function is IRTS, CRTS, or DRTS locally at each point. (c) A profit maximizing firm in the market operates where the production exhibits decreasing return to scale (DRTS). Is this market in its long-run equilibrium? Justify your answer. (d) Suppose that there are the infinite number of potential firms that produce the identical output good y under the cost function C(y) = + 3. Assume free entry and exit. Find the long-run equilibrium output price p, the amount of the output that each firm in the market produces in the long-run equilibrium, and the value of profit that each firm earns in the equilibrium.
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