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Wildlife, biodiversity and trade

Published online by Cambridge University Press:  30 March 2001

EDWARD B. BARBIER  and
CARL-ERIK SCHULZ
EDWARD B. BARBIER
Affiliation:
Environment Department, University of York, Heslington, York YO1 5DD, UK
CARL-ERIK SCHULZ
Affiliation:
Department of Economics, NFH, University of Tromsø, Norway
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Abstract

This article develops a model of wild-resource exploitation that includes both the standard bioeconomic properties of growth and harvesting and a species-area relationship linked to habitat conversion. The model is developed for both a closed and an open economy. In the closed-economy model the characteristics of the long-run equilibrium are analysed in three versions of the model: the basic bioeconomic model, the inclusion of habitat conversion and the addition of biodiversity value. In the case of the open-economy model, we also examine the potential effects of trade interventions on the optimal exploitation of species and habitat conversion in the long run. The results confirm that the inclusion of habitat conversion as well as biodiversity value in a model of wild-resource exploitation yields significantly different outcomes than a basic bioeconomic model.

Type
Theory and Applications
Information
Environment and Development Economics , Volume 2 , Issue 2 , May 1997 , pp. 145 - 172
Copyright
© 1997 Cambridge University Press

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Footnotes

Paper prepared for the European Association for Environmental and Resource Economics Sixth Annual Conference, Umeå, Sweden, 17-20 June 1995. We are grateful for comments by Rögnvaldur Hannesson, Charles Perrings and three anonymous referees; however, the usual disclaimer applies.