TULKENS, Henry; VANDEN EECKAUT, Philippe - Center for Operations Research and Econometrics (CORE), … - 1993
This purely methodological paper deals with the role of time in non-parametric efficiency analysis. Using both FDH and DEA technologies, it first shows how each observation in a panel can be characterized in efficiency terms vis-a-vis three different kinds of frontiers: (i) "contemporaneous",...