In this paper we present a new approach to evaluate the environmental efficiency of decision making units. We propose a model that describes a two-stage process consisting of a production and an end-of-pipe abatement stage with the environmental efficiency being determined by the efficiency of...

Multiple delivery specifications exist on nearly all commodity futures contracts. Sellers are typically allowed to choose among several grades of the underlying commodity. On the delivery day, the futures price converges to the spot price of the cheapest-to-deliver grade rather than to that of...

Abstract Der vorliegende Beitrag analysiert, mit welchen flexibilisierenden Maßnahmen ein Sample 22 kleiner und mittlerer Unternehmen aus dem produzierenden Sektor auf die wirtschaftliche Krise 2008-2009 reagiert hat. Dabei zeigt sich, dass die von der Krise betroffenen Betriebe vorhandene...