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Estimating scale economies in non-convex production models
Journal of the Operational Research Society, Palgrave Macmillan, 21-12-2017, 68; 11, 1442 - 1451Article dans une revue scientifique -
Global and local scale characteristics in convex and nonconvex nonparametric technologies: A first empirical exploration
European Journal of Operational Research, Elsevier, 06-2017, 259; 2, 576--586Article dans une revue scientifique