Henningsen, Arne; Henningsen, Géraldine - In: Economics Letters 115 (2012) 1, pp. 67-69
Estimation of the non-linear Constant Elasticity of Scale (CES) function is generally considered problematic due to convergence problems and unstable and/or meaningless results. These problems often arise from a non-smooth objective function with large flat areas, the discontinuity of the CES...