The objective of this paper is twofold. First we discuss, whether data envelopment analysis can be applied to households' consumption activities on the basis of Kelvin Lancaster's approach to consumer choice. Then, we apply data envelopment analysis to identify inefficiencies in a subsector of...

The present paper examines one of the central elements of evolutionary thinking - competition formalized by the replicator dynamics mechanism. Using data on product characteristics of automobiles sold on the German domestic market over the period 2001-2006, we construct a competitiveness or...

With the increasing autonomy, the competitive pressure on German universities is rising. More freedom comes along with a higher obligation to position oneself in the (German) tertiary education and research market. We investigate to what extent a (competitive) positioning of German universities...