Governance of water supply systems in the Palestinian Territories: A data envelopment analysis approach to the management of water resources

Alsharif, Kamal A.; Feroz, Ehsan H.; Klemer, Andrew R.; Raab, Raymond L.

doi:10.1016/j.jenvman.2007.01.008

Cited by 69 publications

(28 citation statements)

References 26 publications

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“…According to Ramano and Guerrini [1], since the year of 1986, pioneered by Byrnes et al [2], there are a lot of studies worldwide have used DEA models involving the performance of the water industry [3]- [6]. Most of the studies have multi-output and employed input-oriented DEA technique and using CRS and VRSmodels [1].…”

Section: Methodsmentioning

confidence: 99%

“…While the volume of water delivered, billed or produced water, and a number of water connections represent the resident population were used as output. Furthermore, most of the research adopted a standard DEA method with some modification [1]- [6]. With some expansion on the standard model, it helps in reviewing the factors related to the industry's operating performance internally.…”

Section: Methodsmentioning

confidence: 99%

“…Additionally, studies as in [1]- [6] also measured performance of water utility as their decision-maker Units (DMUs) involving multiple inputs and outputs which are the factors related to the operating performance of water supply services.…”

Section: Methodsmentioning

confidence: 99%

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Malaysian Water Utilities Performance Using Two-Stage DEA

Kamarudin

Ismail²,

Mohd³

2015

IJAPM

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Abstract:Most previous studies on the performance of water utility services have adopted the standard data envelopment analysis (DEA) with slight modification. However, there are some loopholes which they have neglected the internal structure of proper measures of the operating performance of water utilities. This study uses a two-stage DEA to measure the performance of water supply services in Malaysia. The first stage uses operating cost and other factors to sustain the water production in terms of length of pipes involved and the number of clients. While in the second stage, the water production will generate revenue due to water delivered or consumed by clients. The two stages are an integrated efficiency model where optimal performance can be measured for both stages at the same time. The model will forms efficiency breakdown for both individual stages and uniquely it provides informative comprehensions compared to the traditional DEA.

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Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

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Malaysian Water Utilities Performance Using Two-Stage DEA

Kamarudin

Ismail²,

Mohd³

2015

IJAPM

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“…Alsharif et al [7] measure the efficiency of water usage in a sample of municipalities located in the Palestinian Territories (West Bank and the Gaza Strip) using data relative to the period 1999-2002. They find that water use efficiency was lower in the Gaza Strip than in the West Bank.…”

Section: Measurement Of Industry Efficiency In Specific Countries or mentioning

confidence: 99%

Efficiency, Conflicting Goals and Trade-Offs: A Nonparametric Analysis of the Water and Wastewater Service Industry in Italy

Storto

2018

Sustainability

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This paper presents a benchmarking study of the water and wastewater industry in Italy. A three-stage modeling approach was implemented to measure the efficiency of 53 utility operators. This approach is based on the implementation of network and conventional data envelopment analysis (DEA) to model the production process of the water service utility operators. In comparison to the conventional black-box or one-stage production model generally adopted in previous studies, the proposed approach provides information relative to the different efficiency components of the stages and blocks of the water service production process and its overall efficiency. Further, by shifting the efficiency analysis to a two-dimensional performance space, i.e., resource and market-efficiency, it offers a more comprehensive view of the water service industry and allows accounting for different business goals at the same time and for an investigation of industry trade-offs. Results show that the operators' efficiencies in the Italian water service industry are generally variable and low. There are no water service utilities which are 100% efficient from the resource-efficiency perspective, and the maximum efficiency score is 0.545. Efficiency measurements suggest that there is a general orientation of the Italian water industry to not invest in upgrading and improving the infrastructure assets, and achieving an acceptable efficiency in the operations is critical to delivering water services to market in an efficient way. Only one utility operator is 100% efficient from the market-efficiency perspective. The low tariffs adopted by the water service operators do not allow the gaining of satisfactory service remuneration and the achievement of long-term business sustainability. The joint analysis of the resource and market efficiency scores indicates that there is a trade-off between the corresponding business goals.

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“…Most studies confirm the presence of economies of scale in the water industry [11][12][13], but others highlight diseconomies of scale in various countries [14][15][16][17][18][19][20].…”

Section: Literature Reviewmentioning

confidence: 99%

The Effects of Operational and Environmental Variables on Efficiency of Danish Water and Wastewater Utilities

Guerrini

Romano

Leardini

et al. 2015

Water

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Efficiency improvement is one of three patterns a public utility should follow in order to get funds for investments realization. The other two are recourse to bank loans or to private equity and tariff increase. Efficiency can be improved, for example, by growth and vertical integration and may be conditioned by environmental variables, such as customer and output density. Prior studies into the effects of these variables on the efficiency of water utilities do not agree on certain points (e.g., scale and economies of scope) and rarely consider others (e.g., density economies). This article aims to contribute to the literature by analysing the efficiency of water utilities in Denmark, observing the effects of operational and environmental variables. The method is based on two-stage Data Envelopment Analysis (DEA) applied to 101 water utilities. We found that the efficiency of the water sector was not affected by the observed variables, whereas that of wastewater was improved by smaller firm size, vertical integration strategy, and higher population density.

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Governance of water supply systems in the Palestinian Territories: A data envelopment analysis approach to the management of water resources

Cited by 69 publications

References 26 publications

Malaysian Water Utilities Performance Using Two-Stage DEA

Malaysian Water Utilities Performance Using Two-Stage DEA

Efficiency, Conflicting Goals and Trade-Offs: A Nonparametric Analysis of the Water and Wastewater Service Industry in Italy

The Effects of Operational and Environmental Variables on Efficiency of Danish Water and Wastewater Utilities

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