In this study we analyze the evolution of operating cost efficiency for the English and Welsh water industry over the period 1995-2001 by estimating an heteroskedastic stochastic variable cost frontier. Aim of the paper is to analyze cost efficiency over a period characterized by significant...

In questo lavoro si discutono le possibili implicazioni economiche dei due quesiti referendari del giugno 2011 che hanno interessato il settore idrico italiano e che hanno abolito l’obbligo del ricorso alla gara come modalità standard di affidamento del servizio e il riferimento alla...

The empirical literature on the cost structure of multiproduct firms (e.g., public utilities providing in combination gas, water, and electricity) traditionally assumes a common technology across different products and stages of production, letting the issue of poolability unexplored. The...

In this paper we estimate a cost function for the English water only sector in order to improve the knowledge of the technological structure of the industry. The analysis of the existence and extent of cost economies might provide useful insights for the regulator and policymakers in terms of...

In this paper, we add to the debate on the public capital–productivity link by applying very recent developments in the panel time series literature that take into account cross sectional correlation in non-stationary panels. In particular, we evaluate the productive effect of public capital...

This paper analyses the impact of port activities on local development for a sample of 621 TL-3 regions located in thirteen European countries and observed over the period 1998–2009. Using a spatial panel econometric framework which controls for spatial fixed effects, the paper provides an...

In this paper we study the impact of port activities on local employment by analyzing a sample of about 560 regions located in ten West European countries and observed over the period 2000–2006. The biggest European ports of OECD countries belong to our sample, which includes 116 ports. The...

Bottazzi and Peri (2007) show that the existence of a cointegrating relationship between the domestic stock of knowledge, domestic R&D and the international knowledge stock can be interpreted as evidence supporting the semi-endogenous growth models versus the endogenous growth ones. We replicate...