This paper evaluates the impact of the tightening in price cap by OFWAT and of other operational factors on the efficiency of water and sewerage companies in England and Wales using a mixture of data envelopment analysis and stochastic frontier analysis. Previous empirical results suggest that...

A<sc>brate</sc> G., E<sc>rbetta</sc> F., F<sc>raquelli</sc> G. and V<sc>annoni</sc> D. The costs of disposal and recycling: an application to Italian municipal solid waste services, <italic>Regional Studies</italic>. The paper investigates the costs of waste disposal and recycling services by using a well-behaved <italic>Composite</italic> cost function model. The...

The Italian gas distribution industry presents a high degree of fragmentation. However, the tendency between 1970 and 1998 was a concentration process. Available evidence supports the thesis that local distributors have undertaken a process of scale enlargement. This raises the question of...

In this paper an input distance function approach is used to evaluate efficiency and technological characteristics of Italian airport companies for the period 2000-2005. This approach is robust to deviations from neoclassical paradigm in terms of cost-minimizing behavior. Duality relationship...

<i> Misure di efficienza statica e dinamica nel settore dei trasporti publici locali</i> (di Beniamina Buzzo Margari, Fabrizio Erbetta) - ABSTRACT: During the Nineties, the Italian Local Public Transportation (LPT) Industry has been reformed and the subsidisation mechanism to LPT firms has changed over...