(ii) A multi - product firm produces two non - related products X and Y where production functions are given by Qx = L0.25K0.75, Qy = L0.5K08, Qx and QY are quantities of outputs of X and Y per period of time and L and K are inputs of labour and capital services per period of time. Capital and labour services can be bought at constant prices per unit of Rs.300 and Rs.200 respectively. (a) Derive the returns to scale characteristics of the two production functions. (b) Calculate the Marginal Product of labour (MPL) and Marginal product of Capital (MPK) for each production function. (c) Write down the equilibrium condition for cost minimization in terms of MPL, MPK and factor prices. (d) What is the capital to labour ratios for the two plants that minimizes the firms cost at any chosen output levels of two goods?

Microeconomic Theory
12th Edition
ISBN:9781337517942
Author:NICHOLSON
Publisher:NICHOLSON
Chapter9: Production Functions
Section: Chapter Questions
Problem 9.7P
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marginal product, cost minimisation

(11) A multi - product firm produces two non - related products X and Y where
production functions are given by Qx = L025K0.75, QY
L0.5K0.8. Qx and QY
are quantities of outputs of X and Y per period of time and L and K are
inputs of labour and capital services per period of time. Capital and labour
services can be bought at constant prices per unit of Rs.300 and Rs.200
respectively.
(a) Derive the returns to scale characteristics of the two production
functions.
(b) Calculate the Marginal Product of labour (MPL) and Marginal product of
Capital (MPK) for each production function.
(c) Write down the equilibrium condition for cost minimization in terms of
MPL, MPK and factor prices.
(d) What is the capital to labour ratios for the two plants that minimizes the
firms cost at any chosen output levels of two goods?
Transcribed Image Text:(11) A multi - product firm produces two non - related products X and Y where production functions are given by Qx = L025K0.75, QY L0.5K0.8. Qx and QY are quantities of outputs of X and Y per period of time and L and K are inputs of labour and capital services per period of time. Capital and labour services can be bought at constant prices per unit of Rs.300 and Rs.200 respectively. (a) Derive the returns to scale characteristics of the two production functions. (b) Calculate the Marginal Product of labour (MPL) and Marginal product of Capital (MPK) for each production function. (c) Write down the equilibrium condition for cost minimization in terms of MPL, MPK and factor prices. (d) What is the capital to labour ratios for the two plants that minimizes the firms cost at any chosen output levels of two goods?
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