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On Price Indices in the Almost Ideal Demand System

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  • Frank Asche
  • Cathy R. Wessells

Abstract

A number of papers have discussed the relationship between the Almost Ideal Demand System (AIDS) and its linear approximation (LA/AIDS). In this paper, it is shown that if the prices in the system are normalized to one, the AIDS and LA/AIDS representations are identical at the point of normalization. Also, at the point of normalization, the expressions for price and expenditure elasticities from both systems are identical. Copyright 1997, Oxford University Press.

Suggested Citation

  • Frank Asche & Cathy R. Wessells, 1997. "On Price Indices in the Almost Ideal Demand System," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 79(4), pages 1182-1185.
  • Handle: RePEc:oup:ajagec:v:79:y:1997:i:4:p:1182-1185
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