Let Q = F(K, L) = KL* denoted a production function with K as capital input and L as labour input. The price per unit of output is p, the price per unit of capital is r, and the price per unit of labor is w. (a) Write down the profit function . (b) Write down the first-order conditions for maximum profit. (c) Find the choices K* = K* (p, r, w) of K and L* =L* (p, r, w) of L that maximize î. (d) Let 1* (p, r, w) = (K * , L*, p, r, w) be the optimal profit as function of (p, r,w). Show that dn* / dp = F(K *, L*) = Q*. (Special case of Hotelling's lemma.) (a) Write down the profit function . (K, L, p, r, w) =

Managerial Economics: Applications, Strategies and Tactics (MindTap Course List)
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Chapter9: Applications Of Cost Theory
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Let Q = F(K, L) = K'*L'4 denoted a production function with K as capital input and L as labour input. The price per unit of output is p, the price per unit of capital is r, and the price per unit of labor is w.
(a) Write down the profit function r.
(b) Write down the first-order conditions for maximum profit.
(c) Find the choices K* = K * (p, r, w) of K and L* = L* (p, r, w) of L that maximize 1.
(d) Let t * (p, r, w) = T(K * , L*, p, r, w) be the optimal profit as a function of (p, r,w). Show that dn * / op = F(K* , L * ) = Q*. (Special case of Hotelling's lemma.)
(a)
Write down the profit function î.
1(K, L, p, r, w) =
Transcribed Image Text:Let Q = F(K, L) = K'*L'4 denoted a production function with K as capital input and L as labour input. The price per unit of output is p, the price per unit of capital is r, and the price per unit of labor is w. (a) Write down the profit function r. (b) Write down the first-order conditions for maximum profit. (c) Find the choices K* = K * (p, r, w) of K and L* = L* (p, r, w) of L that maximize 1. (d) Let t * (p, r, w) = T(K * , L*, p, r, w) be the optimal profit as a function of (p, r,w). Show that dn * / op = F(K* , L * ) = Q*. (Special case of Hotelling's lemma.) (a) Write down the profit function î. 1(K, L, p, r, w) =
(b)
Write down the first-order conditions for maximum profit.
11/4 -r = 0
%3D
dK
- w = 0
=
(c)
Find the choices K* = K* (p, r, w) of K and L * = L* (p, r, w) of L that maximize T.
K* =
-1/2
w
1
L* =
(d)
Let î* (p, r, w) = (K * , L*, p, r, w) be the optimal profit as a function of (p, r, w). Show that of * / op = F(K * , L* ) = Q*. (Special case of Hotelling's lemma.)
1
Begin by finding Q * = (K * )'(L * )'/4 = -pr
%3D
W
4
Next compute
î(K * , L *, p, r, w) = p(K * )'/(L * )"/4 - rK* - wL * =
Transcribed Image Text:(b) Write down the first-order conditions for maximum profit. 11/4 -r = 0 %3D dK - w = 0 = (c) Find the choices K* = K* (p, r, w) of K and L * = L* (p, r, w) of L that maximize T. K* = -1/2 w 1 L* = (d) Let î* (p, r, w) = (K * , L*, p, r, w) be the optimal profit as a function of (p, r, w). Show that of * / op = F(K * , L* ) = Q*. (Special case of Hotelling's lemma.) 1 Begin by finding Q * = (K * )'(L * )'/4 = -pr %3D W 4 Next compute î(K * , L *, p, r, w) = p(K * )'/(L * )"/4 - rK* - wL * =
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