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A proposal for social pricing of water supply in Côte d'Ivoire

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  • Diakité, Daouda
  • Semenov, Aggey
  • Thomas, Alban

Abstract

We consider the design of a nonlinear social tariff for residential water in Côte d'Ivoire, which is a case of a monopolistic private operator supplying a population of heterogeneous consumers. The proposed optimal tariff includes an initial "social" block with a low unit price, and higher consumption blocks with a monopoly pricing rule. This optimal nonlinear tariff is calibrated using econometric estimates of a panel-data residential water demand equation. Welfare changes associated with moving from the actual tariff to approximations of the optimal pricing system are computed under different tariff scenarios. We find that gains in consumer welfare would outweigh losses in producer surplus in a majority of Ivorian local communities.

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  • Diakité, Daouda & Semenov, Aggey & Thomas, Alban, 2009. "A proposal for social pricing of water supply in Côte d'Ivoire," Journal of Development Economics, Elsevier, vol. 88(2), pages 258-268, March.
    • Handle: RePEc:eee:deveco:v:88:y:2009:i:2:p:258-268
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    1. repec:ipg:wpaper:2014-484 is not listed on IDEAS
    2. Sidibé, Amadou, 2010. "Demand for soil, water and forest conservation in Burkina Faso," Department of Forest Economics publications 2345, Swedish University of Agricultural Sciences, Department of forest economics.
    3. Dalton, Christina M., 2014. "Estimating demand elasticities using nonlinear pricing," International Journal of Industrial Organization, Elsevier, vol. 37(C), pages 178-191.
    4. Henrique Monteiro, 2010. "Residential Water Demand in Portugal: checking for efficiency-based justifications for increasing block tariffs," Working Papers Series 1 ercwp0110, ISCTE-IUL, Business Research Unit (BRU-IUL).
    5. Whittington, Dale & Nauges, Céline & Fuente, David & Wu, Xun, 2015. "A diagnostic tool for estimating the incidence of subsidies delivered by water utilities in low- and medium-income countries, with illustrative simulations," Utilities Policy, Elsevier, vol. 34(C), pages 70-81.
    6. SaÄŸlam, YiÄŸit, 2011. "Optimal Pricing of Water: Optimal Departures from the Inverse Elasticity Rule," Working Paper Series 1533, Victoria University of Wellington, School of Economics and Finance.
    7. Li, Yao & Fan, Jin & Zhao, Dingtao & Wu, Yanrui & Li, Jun, 2016. "Tiered gasoline pricing: A personal carbon trading perspective," Energy Policy, Elsevier, vol. 89(C), pages 194-201.
    8. Céline Nauges & Dale Whittington, 2010. "Estimation of Water Demand in Developing Countries: An Overview," World Bank Research Observer, World Bank Group, vol. 25(2), pages 263-294, August.
    9. Rui Fragoso & Carlos Marques, 2013. "The Economic Impact of Alternative Water Pricing Policies in Alentejo Region," CEFAGE-UE Working Papers 2013_02, University of Evora, CEFAGE-UE (Portugal).
    10. Kertous, Mourad & Zerzour, Sahad, 2015. "To pay or not to pay? Water bill and delay in payment in Bejaia (Algeria): A duration analysis," MPRA Paper 67801, University Library of Munich, Germany.
    11. David R. Bell & Ronald C. Griffin, 2011. "Urban Water Demand with Periodic Error Correction," Land Economics, University of Wisconsin Press, vol. 87(3), pages 528-544.
    12. Barde, Julia Alexa & Lehmann, Paul, 2013. "Distributional effects of water tariff reforms: An empirical study for Lima, Peru," UFZ Discussion Papers 14/2013, Helmholtz Centre for Environmental Research (UFZ), Division of Social Sciences (ÖKUS).

    More about this item

    Keywords

    C33 I38 O13 Q25 Multi-block tariff Social pricing Residential water supply;

    JEL classification:

    • C33 - Mathematical and Quantitative Methods - - Multiple or Simultaneous Equation Models; Multiple Variables - - - Models with Panel Data; Spatio-temporal Models
    • I38 - Health, Education, and Welfare - - Welfare, Well-Being, and Poverty - - - Government Programs; Provision and Effects of Welfare Programs
    • O13 - Economic Development, Innovation, Technological Change, and Growth - - Economic Development - - - Agriculture; Natural Resources; Environment; Other Primary Products
    • Q25 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Renewable Resources and Conservation - - - Water

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