Daraio, Cinzia; Simar, Leopold - Laboratory of Economics and Management (LEM), Scuola … - 2005
conditional order-m frontiers without any convexity assumption on the technology. On the one hand, convexity has always been … convexity assumption can be reasonable and sometimes natural. Leading by these considerations, in this paper we propose a … measures of efficiency provide also indicators of convexity. Illustrations through simulated and real data (mutual funds …