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The LeChatelier Principle

  • Paul Milgrom
  • John Roberts

Forthcoming in the American Economic Review The LeChatelier principle, in the form introduced into economics by Samuelson, asserts that at a point of long-run equilibrium, the derivative of long-run compensated demand with respect to own price is larger in magnitude than the derivative of short-run compensated demand. We introduce an extended LeChatelier principle that applies also to large price changes and to uncompensated demand as well as to a wide range of concave and nonconcave maximization problems outside the scope of demand theory. This extension also clarifies the intuitive basis of the principle. JEL classification numbers: C60, D10, D20.

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Paper provided by Stanford University, Department of Economics in its series Working Papers with number 95007.

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Handle: RePEc:wop:stanec:95007
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  1. Milgrom, Paul & Shannon, Chris, 1994. "Monotone Comparative Statics," Econometrica, Econometric Society, vol. 62(1), pages 157-80, January.
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