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Tarifs discriminants et monopoles de l’eau potable : une analyse de la réaction des consommateurs face aux distorsions du signal-prix

Author

Listed:
  • Alexandre Mayol

    (BETA - Bureau d'Économie Théorique et Appliquée - INRA - Institut National de la Recherche Agronomique - UNISTRA - Université de Strasbourg - UL - Université de Lorraine - CNRS - Centre National de la Recherche Scientifique)

  • Simon Porcher

    (IAE Paris - Sorbonne Business School)

Abstract

Since 2010, the way water tariffs are set in France has changed since local governments can now use increasing-block tariffs. These tariffs, even if they have been thought as second-best optima to monopolies' deadweight losses, are complex to implement to satisfy some other goals. The sub-optimal reactions of consumers to the price signal and the issues of redistribution question the efficacy of the mechanism. This piece of research theoretically analyses the increasing-block tariffs properties. It then empirically tests the reaction of consumers to the price signal from a natural experiment taking place in Dunkerque. Results show that users whose consumption is at the lower or the upper bound react strongly to the marginal price, while it questions the equity of this mechanism which is highly distortive.

Suggested Citation

  • Alexandre Mayol & Simon Porcher, 2019. "Tarifs discriminants et monopoles de l’eau potable : une analyse de la réaction des consommateurs face aux distorsions du signal-prix," Post-Print hal-02110725, HAL.
    • Handle: RePEc:hal:journl:hal-02110725
    DOI: 10.3917/reco.pr2.0144
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    Cited by:

    1. Alexandre Mayol & Carine Staropoli, 2021. "Giving consumers too many choices: a false good idea? A lab experiment on water and electricity tariffs," European Journal of Law and Economics, Springer, vol. 51(2), pages 383-410, April.

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