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Conditional nonparametric frontier models for convex and nonconvex technologies: a unifying approach

Bibliographic reference Daraio, Cinzia ; Simar, Léopold. Conditional nonparametric frontier models for convex and nonconvex technologies: a unifying approach.12th International Integer Programming and Combinatorial Optimization Conference (Ithaca(Ny), Jun 25-27, 2007). In: Journal of Productivity Analysis, Vol. 28, no. 1-2, p. 13-32 (2007)
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