This preview shows pages 1–5. Sign up to view the full content.
This preview has intentionally blurred sections. Sign up to view the full version.
View Full DocumentThis preview has intentionally blurred sections. Sign up to view the full version.
View Full Document
Unformatted text preview: Lecture 4 ECO201 Section 1 General Market Equilibrium: In a Market products are interrelated. Every commodity has a substitute and a complement. Coke and Pepsi, Tea and Sugar etc. A demand function thus should take account of its own price as well as prices of other commodities (if not all). Same should be applied to supply function as well. Two Commodity Market Model: Lets assume two commodities 1 & 2 So we have 1 1 = s d Q Q 2 2 1 1 1 P a P a a Q d + + = 2 2 1 1 1 P b P b b Q s + + = 2 2 = s d Q Q 2 2 1 1 2 P P Q d + + = 2 2 1 1 2 P P Q s + + = We follow the same principle as before Substitution of the demand and supply equation in the equilibrium condition we get ) ( ) ( ) ( 2 2 2 1 1 1 = + + P b a P b a b a ) ( ) ( ) ( 2 2 2 1 1 1 = + + P P We have 12 parameters in two equations with two variables prices P 1 and P 2 . We develop some short hand version or reduce the model by introducing 2 , 1 , ) ( & ) ( = = = i where b a C i i i i i i...
View
Full
Document
This note was uploaded on 04/24/2011 for the course ECON 201 taught by Professor Takrimasyeda during the Fall '08 term at BRAC University.
 Fall '08
 TakrimaSyeda
 Economics, Market Equilibrium

Click to edit the document details