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Article Dans Une Revue npj Ocean Sustainability Année : 2024

Macroeconomic impact of an international fishery regulation on a small island country

Résumé

Abstract This paper examines the macroeconomic impact of regulating tuna fishing on a small island economy that relies heavily on tourism and fishing for its foreign exchange earnings. While there is scientific consensus to limit the use of drifting fish aggregating devices (dFADs) worldwide, there is no agreement on their optimal number at sea. Resolution 23/02, adopted by the Indian Ocean Tuna Commission (IOTC) in February 2023, proposed a 72-day moratorium on dFADs, but this resolution has met with resistance from many contracting parties, including developing countries. To understand the reasons for this resistance, a recursive, multi-sectoral dynamic general equilibrium model is developed for the Republic of Seychelles, a small tuna-dependent country. The model assesses the short- and medium-term macroeconomic impacts of a seasonal dFAD closure for the Indian Ocean tuna fishery. The analysis suggests that a 12% decline in canned tuna exports would result in a −8.8% deviation from the real gross domestic product trend after seven years. Such an impact would have far-reaching effects on the domestic economy, affecting all components of aggregate demand. Consequently, the economy would become more dependent on tourism, which has shown its vulnerability during the recent pandemic crisis. The study highlights the importance of considering social and economic aspects in sustainable fisheries management and provides insights into the potential consequences of dFAD regulations for small island economies.
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Dates et versions

hal-04574631 , version 1 (14-05-2024)

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Patrice Guillotreau, Yazid Dissou, Sharif Antoine, Manuela Capello, Frédéric Salladarré, et al.. Macroeconomic impact of an international fishery regulation on a small island country. npj Ocean Sustainability, 2024, 3 (1), pp.18. ⟨10.1038/s44183-024-00054-w⟩. ⟨hal-04574631⟩
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