Maziotis, Alexandros; Saal, David S.; Thanassoulis, Emmanuel - 2012
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 …, by decomposing the output effect into high quality and low quality output effect. We decompose profit changes into …