My paper
Elasticities of Substitution and Complementarity has been accepted by the
Journal of Productivity Analysis. The paper surveys the various definitions of the "
elasticity of substitution" and puts them into a framework that explains their relationships and purposes. It includes the
new definition of Hicks Elasticity of Substitution based on the input distance function as well as definitions of elasticities based on revenue functions and a discussion of the work of
Pigou on the topic which was not cited for decades.
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