Volatility-Reducing Biodiversity Conservation Under Strategic Interactions

Emmanuelle Augeraud-Véron, Giorgio Fabbri and Katheline Schubert

No 2020011, LIDAM Discussion Papers IRES from Université catholique de Louvain, Institut de Recherches Economiques et Sociales (IRES)

Abstract: We study a model of strategic competition among farmers for land use in an agricultural economy. Each agent can take possession of a part of the collective forest land and convert it to farming. Unconverted forest land helps preserving biodiversity, which contributes to reducing the volatility of agricultural production. Agents' utility is given in terms of a Kreps Porteus stochastic differential utility capable of disentangling risk aversion and aversion to fluctuations. We characterize the land used by each farmer and her welfare at the Nash equilibrium, we evaluate the over-exploitation of the land and the agents' welfare loss compared to the socially optimal solution and we study the drivers of the inefficiencies of the decentralized equilibrium. After characterizing the value of biodiversity in the model, we use an appropriate decomposition to study the policy implications of the model by identifying in which cases the allocation of property rights is preferable to the introduction of a land conversion tax.

Keywords: Biodiversity; insurance value; land conversion; recursive preferences; stochastic differential games (search for similar items in EconPapers)
JEL-codes: C73 D62 O13 O20 Q10 Q15 Q56 Q58 (search for similar items in EconPapers)
Date: 2020-02-28
New Economics Papers: this item is included in nep-agr, nep-env, nep-gth and nep-ias
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (7)

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Related works:
Journal Article: Volatility-reducing biodiversity conservation under strategic interactions (2021)
Working Paper: Volatility-reducing biodiversity conservation under strategic interactions (2021)
Working Paper: Volatility-reducing biodiversity conservation under strategic interactions (2021)
Working Paper: Volatility-reducing biodiversity conservation under strategic interactions (2020)
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