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Unformatted text preview: Aniko Oery University of California, Berkeley Section 11: Long-run competitive equilibrium Econ 100A, MICRO-ECONOMIC ANALYSIS, Spring 2010 1 Long-run competitive equilibrium Remember from class that you need to solve the following system of three equations with the three unknown ( P, Q, N ) in order to find the long-run competitive equilibrium: 1. profit maximization: MC ( Q ) = P 2. zero profit: P Q- T C ( Q ) = 0 3. quantity demanded is equal to quantity supplied (market clearing): D ( P ) = N Q . 2 Practice Problem from the 3rd edition of the textbook Microeconomics by Bersanko and Braeutigam The long-run average cost for production of hard-disk drives is given by AC ( Q ) = wr (120- 20 Q + Q 2 ) , where Q is annual output of a firm, w is the wage rate for skilled assembly labor, and r is the price of capital services. The corresponding long-run marginal cost curve is MC ( Q ) = wr (120- 40 Q + 3 Q 2 ) ....
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This note was uploaded on 01/19/2011 for the course ECON 100A taught by Professor Woroch during the Spring '08 term at University of California, Berkeley.
- Spring '08