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Taxes and subsidies to change eating habits when information is not enough: an application to fish consumption

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Abstract

A calibrated model is used to determine the welfare impacts of various regulatory instruments for improving health. The results of a lab experiment are integrated in a partial equilibrium model representing demands for two kinds of fish, one with higher nutritional benefits (canned sardines) and one with higher contamination risks (canned tuna) in France. In the laboratory, information about health effects leads to a statistically significant decrease (increase) in the willingness to pay for tuna (sardines). Simulations with the laboratory results show that, for most cases, a per-unit tax on tuna and a per-unit subsidy on sardines without any information revealed to consumers lead to the highest welfare, because both the tax and subsidy directly internalize health characteristics. The information policy combined with a per-unit tax on tuna and a per-unit subsidy on sardines is socially profitable only if a large proportion of consumers (greater than 95%) receives health information.

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Authors and Affiliations

  1. UMR Economie Publique INRA-AgroParisTech, BP 01, 78850, Grignon, France

    Stéphan Marette

  2. Technische Universität München, Alte Akademie 12, 85350, Freising, Germany

    Jutta Roosen

  3. INRA, Met@risk, 16 rue Claude Bernard, 75005, Paris, France

    Sandrine Blanchemanche

Authors
  1. Stéphan Marette
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  2. Jutta Roosen
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  3. Sandrine Blanchemanche
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Correspondence to Stéphan Marette.

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Marette, S., Roosen, J. & Blanchemanche, S. Taxes and subsidies to change eating habits when information is not enough: an application to fish consumption. J Regul Econ 34, 119–143 (2008). https://doi.org/10.1007/s11149-008-9057-0

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  • DOI: https://doi.org/10.1007/s11149-008-9057-0

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