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Volkswirtschaftliche Diskussionsbeiträge, Universität Siegen >
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http://hdl.handle.net/10419/41082
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| Title: | | Harvesting in an integrated general equilibrium model  |
| Authors: | | Eichner, Thomas Pethig, Rüdiger |
| Issue Date: | | 2007 |
| Series/Report no.: | | Volkswirtschaftliche Diskussionsbeiträge // Universität Siegen, Fachbereich Wirtschaftswissenschaften, Wirtschaftsinformatik und Wirtschaftsrecht 127 |
| Abstract: | | Harvesting of prey biomass is analyzed in an integrated ecological-economic system whose submodels, a predator-prey ecosystem and a simple economy, are microfounded dynamic general equilibrium models. These submodels are interdependent because the ecosystem responds to harvesting - through the reactions of optimizing individual organisms - by changing the provision of public ecosystem services to consumers. General analytical results are derived regarding the impact of harvesting policies on short-run equilibria of both submodels, on population dynamics, and on stationary states of the integrated model. A key insight is that prey biomass carries a positive ecosystem price which needs to be added as a tax mark-up to the economic price of harvested biomass to attain allocative efficiency. Further information on the dynamics is gained by resorting to numerical analysis of the policy regimes of zero harvesting, laissez-faire harvesting and efficient harvesting. |
| Subjects: | | predator prey biomass price harvesting |
| JEL: | | Q20 Q57 |
| Document Type: | | Working Paper |
| Appears in Collections: | | Volkswirtschaftliche Diskussionsbeiträge, Universität Siegen
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