References
- BallanceAReidSSaalDInvestigation into Evidence for Economies of Scale in the Water and Sewerage Industry in England and Wales2004
- CazalsCFlorensJPSimarLNonparametric frontier estimation: A robust approachJ Econ2002106112510.1016/S0304-4076(01)00080-X
- ChambersRChungYFäreRProfit, directional distance functions, and Nerlovian efficiencyJ Optim Theory Appl19989835136410.1023/A:1022637501082
- CharnesACooperWWRhodesEMeasuring the efficiency of decision making unitsEur J Opl Res19782642944410.1016/0377-2217(78)90138-8
- CharnesACooperWGolanyBSeifordLStutzJFoundations of data envelopment analysis for Pareto–Koopmans efficient empirical production functionsJ Econs19853019140710.1016/0304-4076(85)90133-2
- CherchyeLKuosmanenTPostTFDH directional distance functions with an application to European commercial banksJ Prod Anal200115320121510.1023/A:1011176325187
- CooperWWSeifordLMZhuJHandbook on Data Envelopment Analysis2004
- DaraioCSimarLIntroducing environmental variables in nonparametric frontier models: A probabilistic approachJ Prod Anal20052419312110.1007/s11123-005-3042-8
- Daraio C and Simar L (2007), Advanced Robust and Nonparametric Methods in Efficiency Analysis: Methodology and Applications, Series: Studies in Productivity and Efficiency, Springer: Berlin.
- DeprinsDSimarLTulkensHMeasuring labor efficiency in post officesThe Performance of Public Enterprises: Concepts and Measurements1984243267
- DijkgraafEde JongRvd MortelEGNentjesAVarkevisserMWiersmaDMogelijkheden tot marktwerking in de Nederlandse watersector [Possibilities to introduce competition in the Dutch watersector]1997
- Dijkgraaf E, van der Geest SA and Varkevisser M (2007). The efficiency gains of benchmarking Dutch water companies. Working Paper, Erasmus University Rotterdam.
- FabbriPFraquelliGCosts and structure of technology in Italian water industryEmpirica2000271658210.1023/A:1007092212799
- Färe R, Grosskopf S and Lovell K (1985). The Measurement of Efficiency of Production. Kluwer Nijhoff Publishing: Boston, USA, p 216.
- GarciaSThomasAThe structure of municipal water supply costs: Application to a panel of French local communitiesJ Prod Anal20015152910.1023/A:1011142901799
- KimHYEconomies of scale in multi-product firms: An empirical analysisEconomica19875421418520610.2307/2554390
- Kuenzle M (2005). Cost efficiency in network industries: Application of stochastic frontier analysis. PhD Thesis, Swiss Federal Institute of Technology, Zurich.
- KwokaJThe role of competition in natural monopoly: Costs public ownership and regulationRev Indust Organ2006291–212714710.1007/s11151-006-9112-x
- Martins R and Fortunato A (2006). Cost structure of the Portuguese water industry. Universiteit van Coimbra.
- MizutaniFUrakamiTIdentifying network density and scale economies for Japanese water supple organizationsPaper in Regional Science20018021123010.1007/PL00013622
- OECD (2004). Competition and regulation in the water sector. Paris.
- PortelaMBorgesPThanassoulisEFinding closest targets in non-oriented DEA models: the case of convex and non-convex technologiesJ Prod Anal2003192–325126910.1023/A:1022813702387
- RöllerLHStennekJVerbovenFEfficiency Gains from Mergers2000
- SauerJEconomies of scale and size optimum in rural water supplyWater Resource Res2005411113
- SimarLWilsonPWSensitivity analysis of efficiency scores: How to bootstrap in nonparametric frontier modelsMngt Sci1998441496110.1287/mnsc.44.1.49
- TulkensHOn FDH efficiency analysis: Some methodological issues and applications to retail banking, courts, and urban transitJ Prod Anal19934118321010.1007/BF01073473
- Vewin (2007) Reflections on performance 2006, Association of Dutch Water Companies, Rijswijk.