Maziotis, Alexandros; Saal, David S.; Thanassoulis, Emmanuel - Fondazione ENI Enrico Mattei (FEEM) - 2013
The purpose of this paper is to develop a methodology which can be used to set X-factor under price cap schemes, when the number of observations is limited. We firstly apply a panel index approach across Water and Sewerage companies (WaSCs) over time to decompose unit-specific index number based...