This paper investigates the determinants of profit change over the period 1991-2008 for the Water and Sewerage Companies (WaSCs) in the English and Welsh water and sewerage industry. We firstly apply an input oriented profit decomposition approach following the approach of De Witte & Saal...

The purpose of this paper is to assess the impact of regulation in the financial performance of the Water and Sewerage companies (WaSCs) in England and Wales. We apply a panel index approach across WaSCs over time to decompose unit-specific (temporal) index number based profitability growth as a...

The question non longer is if more competition should be introduced in the German water and sewerage sector. The issue rather is what kind of competition ought to be implemented. There are mainly three different approaches: Competition in the Market; Competition for the Market and the...