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Managing increasing environmental risks through agrobiodiversity and agrienvironmental policies

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  • Stefan Baumgärtner
  • Martin F. Quaas

Abstract

Agrobiodiversity can provide natural insurance to risk-averse farmers by reducing the variance of crop yield, and to society at large by reducing the uncertainty in the provision of public-good ecosystem services, for example, CO 2 storage. We analyze the choice of agrobiodiversity by risk-averse farmers who have access to financial insurance, and study the implications for agrienvironmental policy design when on-farm agrobiodiversity generates a positive risk externality. While increasing environmental risk leads private farmers to increase their level of on-farm agrobiodiversity, the level of agrobiodiversity in the laissez-faire equilibrium remains inefficiently low. We show how either one of the two agrienvironmental policy instruments can cure this risk-related market failure: an "ex ante" Pigouvian subsidy on on-farm agrobiodiversity and an "ex post" payment-by-result for the actual provision of public environmental benefits. In the absence of regulation, welfare may increase rather than decrease with increasing environmental risk, if the agroecosystem is characterized by a high natural insurance function, low costs, and large external benefits of agrobiodiversity. Copyright (c) 2010 International Association of Agricultural Economists.

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  • Stefan Baumgärtner & Martin F. Quaas, 2010. "Managing increasing environmental risks through agrobiodiversity and agrienvironmental policies," Agricultural Economics, International Association of Agricultural Economists, vol. 41(5), pages 483-496, September.
  • Handle: RePEc:bla:agecon:v:41:y:2010:i:5:p:483-496
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    Cited by:

    1. Utkur Djanibekov & Asia Khamzina, 2016. "Stochastic Economic Assessment of Afforestation on Marginal Land in Irrigated Farming System," Environmental & Resource Economics, Springer;European Association of Environmental and Resource Economists, vol. 63(1), pages 95-117, January.
    2. Elisa Gatto & Guido Signorino, 2014. "Crop-diversity and Cereal Production under the CAP Reform: Evidence from Italy," SCIENZE REGIONALI, FrancoAngeli Editore, vol. 2014(3), pages 35-50.
    3. Emmanuelle Augeraud-Véron & Giorgio Fabbri & Katheline Schubert, 2017. "The Value of Biodiversity as an Insurance Device," Working Papers halshs-01493965, HAL.
    4. Lauriane MOUYSSET (CERSP, UMR 7204, CNRS-MNHN-UPMC, SADAPT, INRA, UMR 1048) & Luc DOYEN (CERSP, UMR 7204, CNRS-MNHN-UPMC, GREThA, CNRS, UMR 5113) & Fréderic JIGUET (CERSP, UMR 7204, CNRS-MNHN-UPMC), 2012. "How does the economic risk aversion affect biodiversity?," Cahiers du GREThA 2012-03, Groupe de Recherche en Economie Théorique et Appliquée.
    5. Finger, Robert & Buchmann, Nina, 2015. "An ecological economic assessment of risk-reducing effects of species diversity in managed grasslands," Ecological Economics, Elsevier, vol. 110(C), pages 89-97.
    6. Vijesh Krishna & Matin Qaim & David Zilberman, 2016. "Transgenic crops, production risk and agrobiodiversity," European Review of Agricultural Economics, Foundation for the European Review of Agricultural Economics, vol. 43(1), pages 137-164.
    7. Chibwana, Christopher & Fisher, Monica & Shively, Gerald, 2012. "Cropland Allocation Effects of Agricultural Input Subsidies in Malawi," World Development, Elsevier, vol. 40(1), pages 124-133.
    8. Knoke, Thomas & Steinbeis, Otto-Emmanuel & Bösch, Matthias & Román-Cuesta, Rosa María & Burkhardt, Thomas, 2011. "Cost-effective compensation to avoid carbon emissions from forest loss: An approach to consider price-quantity effects and risk-aversion," Ecological Economics, Elsevier, vol. 70(6), pages 1139-1153, April.
    9. De Pinto, Alessandro & Robertson, Richard D. & Obiri, Beatrice Darko, 2013. "Adoption of climate change mitigation practices by risk-averse farmers in the Ashanti Region, Ghana," Ecological Economics, Elsevier, vol. 86(C), pages 47-54.
    10. Elisa Gatto & Alba Marino & Guido Signorino, 2013. "Biodiversity and risk management in agriculture: what do we learn from CAP reforms? A farm-level analysis," ERSA conference papers ersa13p805, European Regional Science Association.
    11. Djanibekov, Utkur & Villamor, Grace B., 2014. "Land use strategies for sustainable rural development under revenue uncertainty: A case from Indonesia," 2014 International Congress, August 26-29, 2014, Ljubljana, Slovenia 182807, European Association of Agricultural Economists.
    12. Mintewab Bezabih & Mare Sarr, 2012. "Risk Preferences and Environmental Uncertainty: Implications for Crop Diversification Decisions in Ethiopia," Environmental & Resource Economics, Springer;European Association of Environmental and Resource Economists, vol. 53(4), pages 483-505, December.
    13. Ayenew, Habtamu Yesigat & Sauer, Johannes & Abate-Kassa, Getachew, 2016. "Cost of Risk Exposure, Farm Disinvestment and Adaptation to Climate Uncertainties: The Case of Arable Farms in the EU," 2016 Annual Meeting, July 31-August 2, 2016, Boston, Massachusetts 235595, Agricultural and Applied Economics Association.
    14. Raghu, Prabhakaran T. & Erenstein, Olaf & Böber, Christian & Krishna, Vijesh V., 0. "Adoption and Outcomes of Hybrid Maize in the Marginal Areas of India," Quarterly Journal of International Agriculture, Humboldt-Universität zu Berlin, vol. 54.
    15. Di Falco, Salvatore & Bezabih, Mintewab & Yesuf, Mahmud, 2010. "Seeds for livelihood: Crop biodiversity and food production in Ethiopia," Ecological Economics, Elsevier, vol. 69(8), pages 1695-1702, June.
    16. Elisa Gatto & Guido Signorino, 2011. "Long-run relationship between crop-biodiversity and cereal production under the CAP reform: evidence from Italian regions," ERSA conference papers ersa11p964, European Regional Science Association.
    17. repec:eee:ecolec:v:146:y:2018:i:c:p:588-596 is not listed on IDEAS
    18. Finger, Robert & Buchmann, Nina, 2014. "An ecological economic assessment of risk reducing effects of species diversity in grassland production," 2014 International Congress, August 26-29, 2014, Ljubljana, Slovenia 182681, European Association of Agricultural Economists.
    19. Matsushita, Kyohei & Yamane, Fumihiro & Asano, Kota, 2016. "Linkage between crop diversity and agro-ecosystem resilience: Nonmonotonic agricultural response under alternate regimes," Ecological Economics, Elsevier, vol. 126(C), pages 23-31.

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    JEL classification:

    • Q1 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Agriculture
    • Q57 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics - - - Ecological Economics
    • H23 - Public Economics - - Taxation, Subsidies, and Revenue - - - Externalities; Redistributive Effects; Environmental Taxes and Subsidies
    • D62 - Microeconomics - - Welfare Economics - - - Externalities

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