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Biological invasions by nonnative species are a by-product of economic activities, with the vast majority of nonnative species introduced by trade and transport of products and people. Although most introduced species are relatively innocuous, a few species ultimately cause irreversible economic and ecological impacts, such as the chestnut blight that(More)
Quasi-experimental methods increasingly are used to evaluate the impacts of conservation interventions by generating credible estimates of counterfactual baselines. These methods generally require large samples for statistical comparisons, presenting a challenge for evaluating innovative policies implemented within a few pioneering jurisdictions. Single(More)
Qualitative interviews with participants in the cocoa (Theobroma cacao) supply chain in Costa Rica and the United States were conducted and supplemented with an analysis of the marketing literature to examine the prospects of organic and Fairtrade certification for enhancing environmentally and socially responsible trade of cocoa from Costa Rica.(More)
Among the third of the world's population that continues to use nature's " Open Sky Latrines, " improved sanitation facilities represent an impure public good. For both epidemiological and social reasons, an individual household's payoff to latrine use will depend on the sanitation decisions of other households in the village. Data from a randomized(More)
Payments for environmental services (PES) are often viewed as a way to simultaneously improve conservation outcomes and the wellbeing of rural households who receive the payments. However, evidence for such win-win outcomes has been elusive. We add to the growing literature on conservation program impacts by using primary household survey data to evaluate(More)
Reducing emissions from deforestation and forest degradation (REDD+) is expected to generate co-benefits and safeguard the interests of people who live in the forested regions where emissions are reduced. Participatory measurement, reporting and verification (PMRV) is one way to ensure that the interests of local people are represented in REDD+. In order to(More)
Introduction In 2007, the parties to the United Nations Framework Convention on Climate Change (UNFCCC) agreed to the Bali Roadmap, which encouraged actors in developed and developing countries to take immediate actions to mitigate carbon emissions from the forestry sector. Policymakers, investors, donor organisations and NGOs responded by initiating a(More)
The version of this article initially published contained the following errors. Table 6 (p. 314) was incorrectly inserted as a repeat of Table 5. The correct Table 6 is presented below. On Figure 1 (p. 309), villages are marked with circles while settlements are marked as squares.
In Table 2, the matched and unmatched samples and their values have been combined. Please see the correct Table 2 here. Copyright: © 2015 Arriagada et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original(More)