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Measuring the effectiveness of protected...

Measuring the effectiveness of protected-area networks in reducing deforestation

Kwaw Andam, Paul Ferraro, Alexander Pfaff, Juan Robalino, G. Arturo Sanchez-Azofeifa PNAS 105(42):16089-16094 Global efforts to reduce tropical deforestation rely heavily on the establishment of protected areas. Measuring the effectiveness of these areas is difficult because the amount of deforestation that would have occurred in the absence of legal protection cannot be directly observed. Conventional […]

Effects of Poverty on Deforestation: dis...

Effects of Poverty on Deforestation: distinguishing behavior from location

Alexander Pfaff, Suzi Kerr, Romina Cavatassi, Benjamin Davis, Leslie Lipper, G. Arturo Sanchez-Azofeifa, J. Timmins Economics of poverty, environment and natural resource use (chapter 6). We review many theoretical predictions that link poverty to deforestation and then examine poverty’s net impact empirically using multiple observations of all of Costa Rica after 1960. Countrywide disaggregate (district-level) […]

Road Impacts in Brazilian Amazonia

Road Impacts in Brazilian Amazonia

Alexander Pfaff, Alisson Barbieri, Thomas Ludewigs, Frank Merry, Stephen Perz, Eustaquio Reis Chapter in “Amazonia and Global Change” book (American Geophysical Union, linked to the NASA LBA project) We examine the evidence on Amazonian road impacts with a strong emphasis on context. Impacts of a new road, on either deforestation or socioeconomic outcomes, depend upon […]