) over time to decompose unit-specific index number based productivity growth as a function of the productivity growth … potential productivity catch-up of laggard firms and an estimate of how the top performing company improved its productivity … results indicated that significant gains in productivity occurred after 2000, when Ofwat set tighter price cap reviews in …

The purpose of this paper is the evaluation of various profit drivers such as price changes, productivity changes and … the impact of exogenous factors such as drinking water and sewerage treatment quality on profitability, productivity and … productivity performance of the WaSCs, they have also contributed negatively to their price performance. Overall, after 2000 steady …