期刊
ENVIRONMENTAL RESEARCH LETTERS
卷 18, 期 2, 页码 -出版社
IOP Publishing Ltd
DOI: 10.1088/1748-9326/acb1a7
关键词
payments for ecosystem services; poverty reduction; deforestation; economics
This article discusses the tension between the dual goals of protecting the environment and reducing poverty in payments for ecosystem services programs. It explores the challenge of maximizing environmental benefits while also increasing participants' economic well-being. Using data from a randomized trial in Uganda, the author provides evidence that participants with lower costs for conservation requirements experienced greater economic gains and that poorer eligible households saw more improvement in their economic well-being compared to wealthier ones.
Conservation programs in low-income countries often have dual goals of protecting the environment and reducing poverty. This article discusses the tension between these two goals in payments for ecosystem services (PESs) programs. Participants who undertake a pro-environment behavior receive a payment, which can be decomposed into two parts: the amount that compensates them for the cost of changing their behavior and the extra amount that is a 'pure transfer' to them. To maximize the program's environmental benefits, a policy maker would like to set the pure transfer component to zero, yet the pure transfer is the only part of the payment that increases participants' economic well-being. In practice, PES programs pay out some pure transfers, and the extent of the anti-poverty benefits depends on whether the pure transfers are de facto targeted to the poor. I lay out these points and then illustrate them with data from a randomized trial of payments for forest protection in Uganda. I provide evidence that the economic gains from participation in PES are indeed larger for those with low costs to fulfill the program's conservation requirements. I also show that, in this context, poorer eligible households enjoyed more improvement in their economic well-being than richer ones did.
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