The impact of privatization approaches on the productivity growth of the water industry: A case study of Chile |
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| Affiliation: | 1. Departamento de Ingeniería Hidráulica y Ambiental, Pontificia Universidad Católica de Chile, Av. Vicuña Mackenna 4860, Santiago, Chile;2. Escuela de Arquitectura e Instituto de Estudios Urbanos, Pontificia Universidad Católica de Chile, El Comendador 1916, Santiago, Chile;3. Centro de Desarrollo Urbano Sustentable CONICYT/FONDAP/15110020, Av. Vicuña Mackenna 4860, Santiago, Chile;4. Department of Mathematics for Economics, University of Valencia, Avd. Tarongers S/N, Valencia, Spain;1. Higher School of Digital Economy & Business School of Tunis, Manouba University, Campus Universitaire de Manouba, 2010, Tunisia;2. Higher School of Digital Economy, Manouba University, Campus Universitaire de Manouba, 2010, Tunisia;1. Department of Business Administration, University of Verona, Via Cantarane, 24, 37129, Verona, Italy;2. Departamento de Ingeniería Hidráulica y Ambiental, Pontificia Universidad Católica de Chile, Av. Vicuña Mackenna, 4860, Santiago, Chile;3. Escuela de Arquitectura e Instituto de Estudios Urbanos, Pontificia Universidad Católica de Chile, El Comendador, 1916, Santiago, Chile;4. Centro de Desarrollo Urbano Sustentable CONICYT/FONDAP/15110020, Av. Vicuña Mackenna, 4860, Santiago, Chile;5. Department of Economics and Management, University of Pisa, Via C. Ridolfi, 10, 56124, Pisa, Italy;1. Departamento de Ingeniería Hidráulica y Ambiental, Pontificia Universidad Católica de Chile, Av. Vicuña Mackenna, 4860, Santiago, Chile;2. Centro de Desarrollo Urbano Sustentable CONICYT/FONDAP/15110020, Av. Vicuña Mackenna, 4860, Santiago, Chile;3. Departamento de Economía Aplicada (Matemáticas), Universidad de Málaga, Campus El Ejido, 29071, Málaga, Spain;4. Departamento de Economía y Administración de Empresas, Universidad de Málaga, Campus El Ejido, 29071, Málaga, Spain;5. Departamento de Matemáticas para la Economía y la Empresa, Universidad de Valencia, Campus dels Tarongers, 46022, Valencia, Spain;1. Department of Economics and Management, University of Pisa, Via C. Ridolfi, 10, 56124 Pisa, Italy;2. Departamento de Ingeniería Hidráulica y Ambiental, Pontificia Universidad Católica de Chile, Av. Vicuña Mackenna 4860, Santiago, Chile;3. Escuela de Arquitectura e Instituto de Estudios Urbanos, Pontificia Universidad Católica de Chile, El Comendador 1916, Santiago, Chile;4. Centro de Desarrollo Urbano Sustentable CONICYT/FONDAP/15110020, Av. Vicuña Mackenna 4860, Santiago, Chile;5. Department of Business Administration, University of Verona, Via dell’Artigliere, 19, 37129 Verona, Italy;1. University of Arizona, Hydrology and Water Resources Department, 1133 E James E. Rogers Way, Tucson, AZ, USA;2. University of Talca, Technological Center of Environmental Hydrology, Mailbox 747, Avenida Lircay s/n, Talca, Chile;3. Ministry of Agriculture, Instituto Forestal (INFOR), Sucre 2397, Nuñoa, Santiago, Chile;4. Ministry of Public Works, Dirección General de Aguas (DGA), División de Hidrología, Morandé 59, Piso 8, Santiago, Chile;1. Departamento de Ingeniería Hidráulica y Ambiental, Pontificia Universidad Católica de Chile, Av. Vicuña Mackenna, 4860, Santiago, Chile;2. Facultad de Arquitectura e Instituto de Estudios Urbanos, Pontificia Universidad Católica de Chile, El Comendador, 1916, Santiago, Chile;3. Centro de Desarrollo Urbano Sustentable CONICYT/FONDAP/15110020, Av. Vicuña Mackenna, 4860, Santiago, Chile;4. Foundazione Eni Enrico Mattei, Isola di San Giorgio Maggiore 8, Venice, Italy;5. Department of Mathematics for Economics, University of Valencia, Avda. Tarongers S/N, Valencia, Spain |
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| Abstract: | The water industry faces the challenge of implementing privatization reforms. This process mainly adopts the following two approaches: the privatization of public water and sewerage services (WSS) and the privatization of water companies’ ownership. This paper investigates the impact of both privatization approaches on changes in productivity in the water industry. In doing so, the Luenberger productivity indicator (LPI) was computed for a sample of Chilean water and sewerage companies (WaSCs) for the period 1997–2013. Unlike the most commonly applied index (Malmquist productivity index), the LPI simultaneously takes into account output expansion and input contraction. The results evidenced that productivity in the Chilean water industry decreased after its privatization. However, in the sub-periods in which the ownership of WaSCs was privatized, the productivity of the water industry increased due to technical improvements. On the other hand, the concession of WWS to private WaSCs involved a regression in productivity. From a policy perspective, regulators and managers of WaSCs at the international level can learn important lessons from the Chilean case to improve the productivity of the water industries in their countries. |
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| Keywords: | Benchmarking Water companies Environmental variables Efficiency change Data envelopment analysis Latin America |
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