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Does sustainable fishing eco-label increase ex-vessel fish prices? Evidence from a French tuna fishery

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  • Wolff, François-Charles
  • Renard, Yohan

Abstract

Eco-certification initiatives are market-based solutions that create incentives for producers to adopt sustainable practices and preserve ecosystems. These initiatives rely on the assumption that producers will receive a price premium sufficient to encourage engagement with and commitment to eco-labels. This paper explores the price differential associated with the eco-certification of a bluefin tuna fishery in Les Sables d'Olonne, on the French Atlantic coast, on prices obtained by certified vessels at auction. Using unique transaction data from 2015 to 2024 and a difference-in-differences strategy, we find that eco-certified vessels experience a 10% price premium after certification compared to non-certified vessels. However, the daily premiums associated with eco-certification vary considerably.

Suggested Citation

  • Wolff, François-Charles & Renard, Yohan, 2026. "Does sustainable fishing eco-label increase ex-vessel fish prices? Evidence from a French tuna fishery," Ecological Economics, Elsevier, vol. 246(C).
    • Handle: RePEc:eee:ecolec:v:246:y:2026:i:c:s0921800926000881
    DOI: 10.1016/j.ecolecon.2026.109003
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    JEL classification:

    • D04 - Microeconomics - - General - - - Microeconomic Policy: Formulation; Implementation; Evaluation
    • Q21 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Renewable Resources and Conservation - - - Demand and Supply; Prices
    • Q22 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Renewable Resources and Conservation - - - Fishery
    • Q51 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics - - - Valuation of Environmental Effects

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