ompetitive

Microeconomic Theory
12th Edition
ISBN:9781337517942
Author:NICHOLSON
Publisher:NICHOLSON
Chapter13: General Equilibrium And Welfare
Section: Chapter Questions
Problem 13.1P
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(a) Find the set of Pareto optimal allocations in this economy and illus-
trate the Pareto optimal allocations in appropriate diagrams.
(b) Find the competitive equilibrium prices and allocations in this econ-
omy.
(e) For the competitive equilibrium in part (b), let 1; (a, L) denote the
equilibrium income of consumer i = A, B. Calculate
I(a, L)
I(a, L) + I(a, L)
Q"(a, L) =
and illustrate this function in an appropriate diagram. Is Q' (a, L)
increasing or decreasing in a? Provide an economic interpretation for
your answer.
Transcribed Image Text:(a) Find the set of Pareto optimal allocations in this economy and illus- trate the Pareto optimal allocations in appropriate diagrams. (b) Find the competitive equilibrium prices and allocations in this econ- omy. (e) For the competitive equilibrium in part (b), let 1; (a, L) denote the equilibrium income of consumer i = A, B. Calculate I(a, L) I(a, L) + I(a, L) Q"(a, L) = and illustrate this function in an appropriate diagram. Is Q' (a, L) increasing or decreasing in a? Provide an economic interpretation for your answer.
Problem 3: Production-exchange economy
Consider an economy with two consumers, A and B, two goods, X and Y,
two factors of production, labor and capital, and two firms: firm X uses
labor and capital to produce good X and firm Y uses labor and capital to
produce good Y.
Consumer A has no initial endowments of labor or capital but owns both of
the firms. Consumer B has an initial endowment of labor Is =L>0 and
an initial endowment of capital kg = K = L, but does not own any share
of the firms. Both consumers i = A, B have preferences over consumption
bundles can be represented by the Cobb-Douglas utility function
where r; is the quantity of good X for consumer i, y; is the quantity of
good Y for consumer i, and a e (0, 1) is a preference parameter.
Firm X produces the output good X with a technology that can be de-
scribed by the following production function:
fx(lx, kx) = lx + kx,
where lx is the quantity of labor and kx is the quantity of capital.
Firm Y produces the output good Y with a technology that can be de-
scribed by the following production funetion:
fr(ly, ky) = y + Vky,
where ly is the quantity of labor and ky is the quantity of capital.
Transcribed Image Text:Problem 3: Production-exchange economy Consider an economy with two consumers, A and B, two goods, X and Y, two factors of production, labor and capital, and two firms: firm X uses labor and capital to produce good X and firm Y uses labor and capital to produce good Y. Consumer A has no initial endowments of labor or capital but owns both of the firms. Consumer B has an initial endowment of labor Is =L>0 and an initial endowment of capital kg = K = L, but does not own any share of the firms. Both consumers i = A, B have preferences over consumption bundles can be represented by the Cobb-Douglas utility function where r; is the quantity of good X for consumer i, y; is the quantity of good Y for consumer i, and a e (0, 1) is a preference parameter. Firm X produces the output good X with a technology that can be de- scribed by the following production function: fx(lx, kx) = lx + kx, where lx is the quantity of labor and kx is the quantity of capital. Firm Y produces the output good Y with a technology that can be de- scribed by the following production funetion: fr(ly, ky) = y + Vky, where ly is the quantity of labor and ky is the quantity of capital.
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