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Empowerment of social norms on water consumption

Author

Listed:
  • Pauline Pedehour

    (Université de Nantes)

  • Lionel Richefort

    (Université de Nantes)

Abstract
This study develops a model of water extraction with endogenous social norms. Many users are connected by a unique shared resource that can become scarce in case of over-exploitation. Preferences of individuals are guided by their extraction values and their taste for conformity to social norms which provide incentives to follow others. As the main result of this study, the uniqueness of the Nash equilibrium is established under a sufficient condition. Afterward, some comparative statics analysis shows the effects of change in individual heterogeneous parameters, conformism, and density of the network on the global quantity extracted. Welfare and social optimum properties are established to avoid the tragedy of the commons and sub-optimal consumptions of water. Lastly, this theoretical framework is completed by extensions to highlight levers of water preservation, including the calibration of social norm incentives.

Suggested Citation

  • Pauline Pedehour & Lionel Richefort, 2021. "Empowerment of social norms on water consumption," Working Papers 2021.20, Fondazione Eni Enrico Mattei.
    • Handle: RePEc:fem:femwpa:2021.20
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    References listed on IDEAS

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    More about this item

    Keywords

    Comparative statics; Conformism; Nash equilibrium; Network; Social norms; Water extraction;
    All these keywords.

    JEL classification:

    • D04 - Microeconomics - - General - - - Microeconomic Policy: Formulation; Implementation; Evaluation
    • D80 - Microeconomics - - Information, Knowledge, and Uncertainty - - - General
    • Q01 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - General - - - Sustainable Development
    • Q25 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Renewable Resources and Conservation - - - Water

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