(a) Calculate equilibrium quantity and price for this market as functions of the parameters a, b, c, d, g and I.

Microeconomic Theory
12th Edition
ISBN:9781337517942
Author:NICHOLSON
Publisher:NICHOLSON
Chapter12: The Partial Equilibrium Competitive Model
Section: Chapter Questions
Problem 12.3P
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The demand and supply function for a good are respectively Q= a+bP+cI and Q =d+gPwhere Q
is quantity, P is price and I is income. Comparative statics analysis with respect to income I can be
conducted in two alternative ways: (i) Explicitly solve for Q and P as a function of I, and then derive
dQ/dl and dP/dl; (ii) Directly differentiate the above two equations with respect to I while taking Q and
P as functions of I, and then solve the resulting two equations for dQ/dl and dP/dl.
(a) Calculate equilibrium quantity and price for this market as functions of the parameters a, b, c, d, g
and I.
(b) Use your results from part (a) to calculate the comparative statics derivatives dP/dl and dQ/dl.
(c) Now calculate the same derivatives dP/dl and dQ/dl using the comparative statics analysis method
(ii) described above
Transcribed Image Text:The demand and supply function for a good are respectively Q= a+bP+cI and Q =d+gPwhere Q is quantity, P is price and I is income. Comparative statics analysis with respect to income I can be conducted in two alternative ways: (i) Explicitly solve for Q and P as a function of I, and then derive dQ/dl and dP/dl; (ii) Directly differentiate the above two equations with respect to I while taking Q and P as functions of I, and then solve the resulting two equations for dQ/dl and dP/dl. (a) Calculate equilibrium quantity and price for this market as functions of the parameters a, b, c, d, g and I. (b) Use your results from part (a) to calculate the comparative statics derivatives dP/dl and dQ/dl. (c) Now calculate the same derivatives dP/dl and dQ/dl using the comparative statics analysis method (ii) described above
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