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Water utility consolidation: Are economies of scale realized?

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  • Klien, Michael
  • Michaud, David

Abstract

We analyze how administrative consolidation affects the performance of water utilities using a rich dataset of more than 400 utilities in Central and Eastern Europe from 1995 to 2017. In contrast to many cross-sectional comparisons, our results from a matched difference-in-difference approach indicate that consolidations did not lead to a significant unit cost decrease. Moreover, consolidated utilities do not outperform non-consolidated utilities in the post-consolidation years, and one-off cost increases during the consolidation can even lead to cost increases. We discuss potential reasons why utilities did not achieve economies of scale and cost savings in the analyzed cases.

Suggested Citation

  • Klien, Michael & Michaud, David, 2019. "Water utility consolidation: Are economies of scale realized?," Utilities Policy, Elsevier, vol. 61(C).
    • Handle: RePEc:eee:juipol:v:61:y:2019:i:c:s095717871930325x
    DOI: 10.1016/j.jup.2019.100972
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    1. Carvalho, Pedro & Marques, Rui Cunha & Berg, Sanford, 2012. "A meta-regression analysis of benchmarking studies on water utilities market structure," Utilities Policy, Elsevier, vol. 21(C), pages 40-49.
    2. Kwoka, John & Pollitt, Michael, 2010. "Do mergers improve efficiency? Evidence from restructuring the US electric power sector," International Journal of Industrial Organization, Elsevier, vol. 28(6), pages 645-656, November.
    3. Fumitoshi Mizutani & Takuya Urakami, 2001. "articles: Identifying network density and scale economies for Japanese water supply organizations," Papers in Regional Science, Springer;Regional Science Association International, vol. 80(2), pages 211-230.
    4. Marco Caliendo & Sabine Kopeinig, 2008. "Some Practical Guidance For The Implementation Of Propensity Score Matching," Journal of Economic Surveys, Wiley Blackwell, vol. 22(1), pages 31-72, February.
    5. Saal David S. & Arocena Pablo & Maziotis Alexandros & Triebs Thomas, 2013. "Scale and Scope Economies and the Efficient Vertical and Horizontal Configuration of the Water Industry: A Survey of the Literature," Review of Network Economics, De Gruyter, vol. 12(1), pages 93-129, March.
    6. Pollitt, Michael G. & Steer, Steven J., 2012. "Economies of scale and scope in network industries: Lessons for the UK water and sewerage sectors," Utilities Policy, Elsevier, vol. 21(C), pages 17-31.
    7. Youn Kim, H. & Clark, Robert M., 1988. "Economies of scale and scope in water supply," Regional Science and Urban Economics, Elsevier, vol. 18(4), pages 479-502, November.
    8. Walter, Matthias & Cullmann, Astrid & von Hirschhausen, Christian & Wand, Robert & Zschille, Michael, 2009. "Quo vadis efficiency analysis of water distribution? A comparative literature review," Utilities Policy, Elsevier, vol. 17(3-4), pages 225-232, September.
    9. Shih, Jhih-Shyang & Harrington, Winston & Pizer, William A. & Gillingham, Kenneth, 2004. "Economies of Scale and Technical Efficiency in Community Water Systems," Discussion Papers 10788, Resources for the Future.
    10. John C. Panzar & Robert D. Willig, 1977. "Economies of Scale in Multi-Output Production," The Quarterly Journal of Economics, President and Fellows of Harvard College, vol. 91(3), pages 481-493.
    11. Lechner, Michael, 2011. "The Estimation of Causal Effects by Difference-in-Difference Methods," Foundations and Trends(R) in Econometrics, now publishers, vol. 4(3), pages 165-224, November.
    12. Enid Slack & Richard M. Bird, 2013. "Merging Municipalities: Is Bigger Better?," IMFG Papers 14, University of Toronto, Institute on Municipal Finance and Governance.
    13. Caroline van den Berg & Alexander Danilenko, 2011. "The IBNET Water Supply and Sanitation Performance Blue Book," World Bank Publications - Books, The World Bank Group, number 2545, December.
    14. Worthington, Andrew C. & Higgs, Helen, 2014. "Economies of scale and scope in Australian urban water utilities," Utilities Policy, Elsevier, vol. 31(C), pages 52-62.
    15. Takuya Urakami & David Parker, 2011. "The Effects of Consolidation amongst Japanese Water Utilities," Urban Studies, Urban Studies Journal Limited, vol. 48(13), pages 2805-2825, October.
    16. John Kwoka, 2005. "Electric power distribution: economies of scale, mergers, and restructuring," Applied Economics, Taylor & Francis Journals, vol. 37(20), pages 2373-2386.
    17. Antonioli, B. & Filippini, M., 2001. "The use of a variable cost function in the regulation of the Italian water industry," Utilities Policy, Elsevier, vol. 10(3-4), pages 181-187.
    18. David Saal & David Parker & Tom Weyman-Jones, 2007. "Determining the contribution of technical change, efficiency change and scale change to productivity growth in the privatized English and Welsh water and sewerage industry: 1985–2000," Journal of Productivity Analysis, Springer, vol. 28(1), pages 127-139, October.
    19. Abbott, Malcolm & Cohen, Bruce, 2009. "Productivity and efficiency in the water industry," Utilities Policy, Elsevier, vol. 17(3-4), pages 233-244, September.
    20. Serge Garcia & Alban Thomas, 2001. "The Structure of Municipal Water Supply Costs: Application to a Panel of French Local Communities," Journal of Productivity Analysis, Springer, vol. 16(1), pages 5-29, July.
    21. Bhattacharyya, Arunava & Harris, Thomas R. & Narayanan, Rangesan & Raffiee, Kambiz, 1995. "Specification and estimation of the effect of ownership on the economic efficiency of the water utilities," Regional Science and Urban Economics, Elsevier, vol. 25(6), pages 759-784, December.
    22. K De Witte & E Dijkgraaf, 2010. "Mean and bold? On separating merger economies from structural efficiency gains in the drinking water sector," Journal of the Operational Research Society, Palgrave Macmillan;The OR Society, vol. 61(2), pages 222-234, February.
    23. Torres, Marcelo & Morrison Paul, Catherine J., 2006. "Driving forces for consolidation or fragmentation of the US water utility industry: A cost function approach with endogenous output," Journal of Urban Economics, Elsevier, vol. 59(1), pages 104-120, January.
    24. Michael Klien, 2014. "Corporatization and the Behavior of Public Firms: How Shifting Control Rights Affects Political Interference in Water Prices," Review of Industrial Organization, Springer;The Industrial Organization Society, vol. 44(4), pages 393-422, June.
    25. Kim, H Youn, 1987. "Economies of Scale in Multi-product Firms: An Empirical Analysis," Economica, London School of Economics and Political Science, vol. 54(214), pages 185-206, May.
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