Blackorby, Charles; Primont, Daniel; Russell, R. Robert - Department of Economics, University of Warwick - 2007
We show that the Hotelling-Lau elasticity of substitution, an extension of the Allen-Uzawa elasticity to allow for …-Uzawa elasticity identified by Blackorby and Russell [1989 AER]. An analogous extension of the Morishima elasticity of substitution to … allow for output quantity changes preserves the salient properties of the original Hicksian notion of elasticity of …