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

François-Charles Wolff () and Yohan Renard ()
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François-Charles Wolff: LEMNA - Laboratoire d'économie et de management de Nantes Atlantique - Nantes Univ - IAE Nantes - Nantes Université - Institut d'Administration des Entreprises - Nantes - Nantes Université - pôle Sociétés - Nantes Univ - Nantes Université, TEPP - Théorie et évaluation des politiques publiques - CNRS - Centre National de la Recherche Scientifique
Yohan Renard: LEO - Laboratoire d'Économie d'Orleans [2022-...] - UO - Université d'Orléans - UT - Université de Tours - UCA - Université Clermont Auvergne

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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 ecocertification vary considerably.

Keywords: Eco-certification; Sustainable fishing; Ex-vessel fish prices; Price premium (search for similar items in EconPapers)
Date: 2026-08
Note: View the original document on HAL open archive server: https://nantes-universite.hal.science/hal-05626899v1
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Published in Ecological Economics, 2026, 246, pp.109003. ⟨10.1016/j.ecolecon.2026.109003⟩

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Persistent link: https://EconPapers.repec.org/RePEc:hal:journl:hal-05626899

DOI: 10.1016/j.ecolecon.2026.109003

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