Wetzel, Heike; Growitsch, Christian - 2006
production is more ef-
ficient we apply a Data Envelopment Analysis super-efficiency bootstrapping model
which relates the … the first step we estimate technical efficiency of integrated and
non-integrated railways using data envelopment analysis … and scope economies of European railways we use data envelopment analysis
(DEA), a method introduced by Charnes, Cooper …