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Original Articles

Two common problems related to the use of the Armington aggregator in computable general equilibrium models

Pages 23-25 | Received 21 Feb 1996, Published online: 02 Nov 2006
 

Abstract

This note highlights two common problems with the application of the population CES aggregator introduced by Armington. Both are related to the dependence of the input shares on the elasticity of substitution even when relative prices are held constant. A modified CES aggregator is proposed which avoids these problems.

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