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Regression versus data envelopment analysis for efficiency measurement : an application to the England and Wales regulated water industry
Cubbin, John, (1998)
The development of competition in the English and Welsh water and sewerage industry
Sawkins, John W., (2001)
An uncooperative commodity : privatizing water in England and Wales
Bakker, Karen, (2003)
Yardstick competition in the English and Welsh water industry : fiction or reality?
Sawkins, John W., (1995)
Privatisation
Sawkins, John W., (1992)