Results 271 to 280 of about 209,114 (345)

The Importance of Environmental Heterogeneity in Evaluating the Conservation Status of Two Frog Species in a Changing Amazonian Interfluve

open access: yesAnimal Conservation, EarlyView.
Identifying the most effective criterion to assess the conservation status of vulnerable species in threatened tropical regions is crucial to evaluate recovery plans. We investigated the influence of environmental heterogeneity on the extent of occurrence (EOO), area of occupied habitat (AOH), and density variation of two Amazonian riparian frog ...
Rafael F. Jorge   +3 more
wiley   +1 more source

Nonclassical Measurement Error in Farmland Markets with Implications for Ricardian Analysis

open access: yesAmerican Journal of Agricultural Economics, EarlyView.
Abstract Nonclassical measurement error threatens the validity of empirical economic models. We examine the extent to which land value measures that are commonly used in studies of the US farmland market are subject to nonclassical measurement error. We consider differences in county‐level land values from two popular data sources: (1) self‐reported ...
Daniel P. Bigelow, Margaret Jodlowski
wiley   +1 more source

Resource windfalls and political sabotage: Evidence from 5.2 million political ads

open access: yesAmerican Journal of Agricultural Economics, EarlyView.
Abstract We study the role of incentives in inducing sabotage in political contents, vis‐à‐vis natural resource windfalls. The latter induce plausibly exogenous increases in contests' stakes by extending opportunities for policy implementation or private gain upon winning and enhancing incumbent advantage.
David Lagziel, Ehud Lehrer, Ohad Raveh
wiley   +1 more source

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