Profit productivity change in the English and Welsh water sector: Impact of the price reviews |
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| Affiliation: | 1. Department of Mathematics for Economics, University of Valencia, Avd. Tarongers S/N, Valencia, Spain;2. Departamento de Ingeniería Hidráulica y Ambiental, Pontificia Universidad Católica de Chile, Avda. Vicuña Mackenna, 4860, Santiago, Chile;1. Faculty of Economics and Management, University of Maroua, Cameroon;2. Centre d’Etudes et de Recherche en Management et Economie, Dschang, Cameroon;3. Ghana Institute of Management and Public Administration, Ghana;4. Faculty of Economics and Management, University of Dschang, Cameroon;1. Division TME, Department of Mechanical Engineering, KU Leuven, Celestijnenlaan 300, 3001, Leuven, Belgium;2. EnergyVille, Thor Park 8310 & 8320, 3600, Genk, Belgium;1. School of Architecture and Civil Engineering, Chengdu University, No. 2025, Chengluo Avenue, Chengdu, Sichuan, China;2. School of Architecture and Built Environment, Deakin University, Geelong, VIC, 3220, Australia;3. Department of Building and Real Estate, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, China;4. Business School, Sichuan University, Chengdu, Sichuan, China;1. Department of Renewable Energy and Environmental Engineering, University of Tehran, Tehran, Iran;2. School of Advanced Technologies, Iran University of Science and Technology, Tehran, Iran;3. Department of Energy Systems Engineering, Islamic Azad University Science and Research Branch, Tehran, Iran |
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| Abstract: | Profitability and productivity change over time are two key indicators to evaluate the performance of water companies. In this study, the profit inefficiency of water utilities was estimated based on the Luenberger Productivity Indicator (LPI). The empirical approach focused on the English and Welsh water industry from 2001 to 2018. It was illustrated that water companies suffered a profit inefficiency effect of 50%, mainly (44%) attributed to allocation inefficiency, whereas technical inefficiency contributed by 6%. Estimated profit LPI values revealed the impact of the price reviews on the profit productivity of the English and Welsh water companies. |
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| Keywords: | Profit efficiency Productivity change Water utilities |
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