The ex-vessel market for tropical tuna in Manta, Ecuador. A new key player on the global tuna market
Dale Squires,
Ramón Jiménez-Toribio,
Patrice Guillotreau and
Jimmy Anastacio-Solis
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Dale Squires: NOAA - National Oceanic and Atmospheric Administration
Ramón Jiménez-Toribio: Universidad de Huelva
Jimmy Anastacio-Solis: Sans affiliation
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Abstract:
This paper examines the Manta (Ecuador) market for landings and imports of skipjack, bigeye, and yellowfin tunas through estimation of an inverse almost ideal demand system. Skipjack landings and imports dominate the market. Manta tuna market prices show inflexible price responsiveness to changes in quantities of own species for all imports and landings except yellowfin imports. Simultaneously reducing landings and imports of all species increase vessel profits but is more than countered by economic welfare loss of supply chain firms, exporters, and consumers for a net decline in Ecuador's economic welfare. Results show two distinct but linked market segments: (1) one well integrated by price with mutually substitutable skipjack imports and skipjack, yellowfin, and bigeye landings and dependent on skipjack imports, and (2) a niche segment centered around yellowfin imports for processors. If the Bangkok market still retains primary global price leadership, it also responds to the growing Manta market.
Keywords: Price flexibility; Inverse almost ideal demand system; Tuna markets; Economic incentives (search for similar items in EconPapers)
Date: 2023-06
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Published in Fisheries Research, 2023, 262, pp.106646. ⟨10.1016/j.fishres.2023.106646⟩
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Persistent link: https://EconPapers.repec.org/RePEc:hal:journl:hal-03994105
DOI: 10.1016/j.fishres.2023.106646
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