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A Real Option Approach to the Protection of a Habitat Dependent Endangered Species

Author

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  • Skander Ben Abdallah
  • Pierre Lasserre

Abstract

We use a real option approach to determine optimally when a social planner has to stop or resume logging in situations where an endangered species relies on forest habitat for its survival, and that habitat evolves stochastically. The model incorporates economic, ecological and social features, and is calibrated to generate an optimal forest management rule that balances the benefits from commercial forest exploitation with the risks of extinction facing the endangered species. For the reasonable parameters used in our application to the Rangifer tarandus caribou, an endangered species in Central Labrador (Canada), the policy of banning logging temporarily is quite attractive as it does not require long banning periods while it drastically reduces the extinction risk and increases forest value. Nous utilisons la méthode des options réelles pour déterminer quand un planificateur social doit interrompre ou reprendre l'exploitation d'une forêt, lorsque celle-ci constitue l'habitat stochastique d'une espèce menacée d'extinction. Le modèle présente des aspects économiques, écologiques et sociaux; il établit une règle optimale de gestion forestière qui fait l'arbitrage entre les bénéfices commerciaux de l'exploitation forestière et les risques d'extinction de l'espèce. Pour des paramètres correspondant au cas du Rangifer tarandus caribou, une espèce du centre du Labrador (Canada) menacée d'extinction, la politique optimale d'interruption et reprise de l'exploitation forestière est attractive; elle n'exige pas de longs arrêts dans l'exploitation, alors qu'elle réduit significativement le risque d'extinction et augmente la valeur de la forêt.

Suggested Citation

  • Skander Ben Abdallah & Pierre Lasserre, 2008. "A Real Option Approach to the Protection of a Habitat Dependent Endangered Species," CIRANO Working Papers 2008s-30, CIRANO.
  • Handle: RePEc:cir:cirwor:2008s-30
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    File URL: https://cirano.qc.ca/files/publications/2008s-30.pdf
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    Cited by:

    1. is not listed on IDEAS
    2. Conrad, Jon M., 2018. "Real Options for Endangered Species," Ecological Economics, Elsevier, vol. 144(C), pages 59-64.
    3. Insley, Margaret, 2017. "Resource extraction with a carbon tax and regime switching prices: Exercising your options," Energy Economics, Elsevier, vol. 67(C), pages 1-16.
    4. Pablo Garcia, 2024. "Optimal timing of environmental policy under partial information," BCL working papers 180, Central Bank of Luxembourg.
    5. Charles Sims & David Finnoff & Alan Hastings & Jacob Hochard, 2017. "Listing and Delisting Thresholds under the Endangered Species Act," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 99(3), pages 549-570.
    6. Guthrie, Graeme, 2024. "Farm debt and the over-exploitation of natural capital," Resource and Energy Economics, Elsevier, vol. 77(C).

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    JEL classification:

    • C61 - Mathematical and Quantitative Methods - - Mathematical Methods; Programming Models; Mathematical and Simulation Modeling - - - Optimization Techniques; Programming Models; Dynamic Analysis
    • C63 - Mathematical and Quantitative Methods - - Mathematical Methods; Programming Models; Mathematical and Simulation Modeling - - - Computational Techniques
    • D81 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Criteria for Decision-Making under Risk and Uncertainty
    • Q23 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Renewable Resources and Conservation - - - Forestry
    • Q28 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Renewable Resources and Conservation - - - Government Policy

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