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Shark Hunting: On the Vulnerability of Resources with Heterogeneous Species

Erhardt, Tobias and Weder, Rolf. (2020) Shark Hunting: On the Vulnerability of Resources with Heterogeneous Species. Resource and Energy Economics, 61 (101181).

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Official URL: https://edoc.unibas.ch/79536/

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Abstract

This paper examines the unprecedented decimation of sharks. In accordance with the biological characteristics and the economic environment of sharks, we extend the Brander-Taylor model of renewable resources and trade to a resource with a continuum of species which are heterogeneous with respect to their growth rate. The model implies that heterogeneity increases the vulnerability of a resource as relatively abundant species make harvesting economically viable even though slow-growing species are driven to extinction. The empirical analysis assesses the fate of sharks in the light of the model and finds that the likelihood of extinction is, indeed, significantly greater for shark species which exhibit low intrinsic growth.
Faculties and Departments:06 Faculty of Business and Economics > Departement Wirtschaftswissenschaften > Professuren Wirtschaftswissenschaften > Aussenwirtschaft und Europ. Integration (Weder)
08 Cross-disciplinary Subjects > Europainstitut > Europainstitut > Europäische Wirtschaft (Weder)
UniBasel Contributors:Weder, Rolf
Item Type:Article, refereed
Article Subtype:Research Article
Publisher:Elsevier
ISSN:0928-7655
Note:Publication type according to Uni Basel Research Database: Journal article
Identification Number:
Last Modified:29 Dec 2020 12:09
Deposited On:29 Dec 2020 12:09

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