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On constant elasticities of demand

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  • Andrés Vázquez

    (Consejo Superior de Investigaciones Científicas)

Abstract

While the Slutsky matrix and duality theory have been used to establish that constant elasticity demand functions imply unitary income elasticities, zero cross price elasticities and own price elasticities equal to minus one, this note shows that these results can also be straightforwardly derived from the simple assumption that demand functions satisfy the budget constraint with strict equality.

Suggested Citation

  • Andrés Vázquez, 1998. "On constant elasticities of demand," Estudios Económicos, El Colegio de México, Centro de Estudios Económicos, vol. 13(1), pages 73-79.
    • Handle: RePEc:emx:esteco:v:13:y:1998:i:1:p:73-79
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    File URL: https://estudioseconomicos.colmex.mx/index.php/economicos/article/view/240/242
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    References listed on IDEAS

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    1. Henry Ludwell Moore, 1926. "Partial Elasticity of Demand," The Quarterly Journal of Economics, President and Fellows of Harvard College, vol. 40(3), pages 393-401.
    2. Willig, Robert D., 1976. "Integrability implications for locally constant demand elasticities," Journal of Economic Theory, Elsevier, vol. 12(3), pages 391-401, June.
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