Sushi or fish fingers? Seafood diversity, collapsing fish stocks, and multi-species fishery management

Martin Quaas and Till Requate ()

No 2012-03, Economics Working Papers from Christian-Albrechts-University of Kiel, Department of Economics

Abstract: We present a model of a multi-species fishery and show that (i) consumer preferences for seafood diversity may trigger a sequential collapse of fish stocks under open-access fishery, (ii) the stronger the preferences are for diversity the higher is the need for coordinated multi-species regulation, (iii) second-best optimal management of only one (or a few) species is less strict than socially optimal management of the same species. Finally, (iv) myopic regulation of one species, ignoring spill-overs to other species, may cause depletion of other stocks that would not be depleted under open access.

Keywords: marine biodiversity; fishery economics; product differentiation (search for similar items in EconPapers)
JEL-codes: Q21 Q22 Q57 (search for similar items in EconPapers)
Date: 2012
New Economics Papers: this item is included in nep-agr, nep-env, nep-reg and nep-res
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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Related works:
Journal Article: Sushi or Fish Fingers? Seafood Diversity, Collapsing Fish Stocks, and Multispecies Fishery Management (2013)
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Persistent link: https://EconPapers.repec.org/RePEc:zbw:cauewp:201203

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