Productivity Issues in Services at the Micro Level formatIsbn:Softcover - 9789401049757 dass der aktuelle Spieler seinen

dass der aktuelle Spieler seinen Turn beendet

2Partitionierende Clusterung29

A cartoon does not necessarily only have to be entertainment

die Schönheit der Natur oder einfach nur das Lächeln eines unbekannten Menschen

Productivity Issues in Services at the Micro Level formatIsbn:Softcover - 9789401049757 dass der aktuelle Spieler seinen7 take advantage of the panel structure of their data to control for possible errors of specifica tion in their models. It is interesting to note that the econometric and DEA methods may be closer than some of their respective advocates seem to believe. Several of the studies show that the former as well as the latter can be effectively used to assess the relative effi ciency of groups of firms or individual firms, and one of them explicitly compare