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

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  • Quaas, Martin F.
  • Requate, Till

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. --

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Bibliographic Info

Paper provided by Christian-Albrechts-University of Kiel, Department of Economics in its series Economics Working Papers with number 2012-03.

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Date of creation: 2012
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Handle: RePEc:zbw:cauewp:201203

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Fax: 0431-880 3150
Web page: http://www.wiso.uni-kiel.de/econ/
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Keywords: marine biodiversity; fishery economics; product differentiation;

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References

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  1. Opsomer Jean-Didier & Conrad Jon M., 1994. "An Open-Access Analysis of the Northern Anchovy Fishery," Journal of Environmental Economics and Management, Elsevier, vol. 27(1), pages 21-37, July.
  2. Dixit, Avinash K & Stiglitz, Joseph E, 1977. "Monopolistic Competition and Optimum Product Diversity," American Economic Review, American Economic Association, vol. 67(3), pages 297-308, June.
  3. Naevdal, Eric & Olaussen, Jon Olaf & Skonhoft, Anders, 2012. "A bioeconomic model of trophy hunting," Ecological Economics, Elsevier, vol. 73(C), pages 194-205.
  4. Kjell G. Salvanes, 1997. "Market Delineation and Demand Structure," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 79(1), pages 139-150.
  5. Conrad, Jon M. & Adu-Asamoah, Richard, 1986. "Single and multispecies systems: The the Eastern Tropical Atlantic," Journal of Environmental Economics and Management, Elsevier, vol. 13(1), pages 50-68, March.
  6. Dale Squires & Niels Vestergaard, 2013. "Technical Change and The Commons," The Review of Economics and Statistics, MIT Press, vol. 95(5), pages 1769-1787, December.
  7. Tahvonen, Olli, 2009. "Economics of harvesting age-structured fish populations," Journal of Environmental Economics and Management, Elsevier, vol. 58(3), pages 281-299, November.
  8. Anders Skonhoft & Niels Vestergaard & Martin Quaas, 2012. "Optimal Harvest in an Age Structured Model with Different Fishing Selectivity," Environmental & Resource Economics, European Association of Environmental and Resource Economists, vol. 51(4), pages 525-544, April.
  9. Kasulo, Victor & Perrings, Charles, 2006. "Fishing down the value chain: Biodiversity and access regimes in freshwater fisheries -- the case of Malawi," Ecological Economics, Elsevier, vol. 59(1), pages 106-114, August.
  10. Chiang, Fu-Sung & Lee, Jonq-Ying & Brown, Mark G., 2001. "The Impact Of Inventory On Tuna Price: An Application Of Scaling In The Rotterdam Inverse Demand System," Journal of Agricultural and Applied Economics, Southern Agricultural Economics Association, vol. 33(03), December.
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Cited by:
  1. Esther Regnier & Katheline Schubert, 2013. "Consumer preferences, aquaculture technology and the sustainability of fisheries," Documents de travail du Centre d'Economie de la Sorbonne 13002, Université Panthéon-Sorbonne (Paris 1), Centre d'Economie de la Sorbonne.
  2. Quaas, Martin F. & Stöven, Max T., 2014. "New trade in renewable resources and consumer preferences for diversity," Economics Working Papers 2014-08, Christian-Albrechts-University of Kiel, Department of Economics.

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