Implementing the optimal provision of ecosystem services
- aDepartment of Applied Economics, University of Minnesota, St. Paul, MN 55108;
- bDepartment of Applied Economics, Oregon State University, Corvallis, OR 97331;
- cBren School of Environmental Science and Management, University of California, Santa Barbara, CA 93106; and
- dDepartment of Economics, Bowdoin College, Brunswick, ME 04011
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Contributed by Stephen Polasky, March 18, 2014 (sent for review August 20, 2013)

Significance
Many ecosystem services are public goods available to everyone without charge, but the provision of these services often depends on the actions of private landowners who may bear cost to provide services. How to design incentives when the provision of services depends on the landscape pattern of conservation and where landowners have private information about costs presents a difficult challenge. Here we apply results from auction theory to design a payments scheme that achieves optimal provision of ecosystem services with spatially dependent benefits and asymmetric information. The auction mechanism works equally well whether property rights reside with the landowners so that the regulator pays landowners to conserve, or with the regulator so that landowners pay the regulator to develop.
Abstract
Many ecosystem services are public goods whose provision depends on the spatial pattern of land use. The pattern of land use is often determined by the decisions of multiple private landowners. Increasing the provision of ecosystem services, though beneficial for society as a whole, may be costly to private landowners. A regulator interested in providing incentives to landowners for increased provision of ecosystem services often lacks complete information on landowners’ costs. The combination of spatially dependent benefits and asymmetric cost information means that the optimal provision of ecosystem services cannot be achieved using standard regulatory or payment for ecosystem services approaches. Here we show that an auction that sets payments between landowners and the regulator for the increased value of ecosystem services with conservation provides incentives for landowners to truthfully reveal cost information, and allows the regulator to implement the optimal provision of ecosystem services, even in the case with spatially dependent benefits and asymmetric information.
Footnotes
- ↵1To whom correspondence should be addressed. E-mail: polasky{at}umn.edu.
Author contributions: S.P., D.J.L., A.J.P., and E.N. designed research; S.P., D.J.L., A.J.P., and E.N. performed research; and S.P., D.J.L., and A.J.P. wrote the paper.
The authors declare no conflict of interest.
This article contains supporting information online at www.pnas.org/lookup/suppl/doi:10.1073/pnas.1404484111/-/DCSupplemental.
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