This paper presents an application of data envelopment analysis for analysing the performance of a number of spanish municipalities in terms of the amount of glass recycled. The inputs considered are the number of glass containers assigned to each municipality on one hand and the population and...

Logistics costs in general, and transportation costs in particular, represent a large fraction of the operating costs of many companies. One way to try to reduce these costs is through horizontal cooperation among shippers. Thus, when the transportation needs of two or more companies are merged,...