Molina, Mario García - In: Cambridge Journal of Economics 29 (2005) 3, pp. 423-437
Elasticity of substitution was introduced into economics during the early 1930s. It was discovered independently by Hicks in The Theory of Wages and by Joan Robinson in The Economics of Imperfect Competition, and then was the centre of a polemic involving Kahn and Sraffa, among others. The...