The recently-disclosed Terrorist Surveillance Program (TSP) has caused debate over whether warrants should be required for wiretaps targeting international terrorism. We examine traditional criminal wiretaps to determine whether the warrant requirement limits law enforcement. We find budget...

The prospect of receiving a monetary sanction for free riding has been shown to increase contributions to public goods. We ask whether the impulse to punish is unresponsive to the cost to the punisher, or whether, like other preferences, it interacts with prices to generate a conventional demand...

While natural resource valuation research has long accounted for heterogeneity in willingness-to-pay, recent studies consider whether estimated heterogeneity is primarily driven by a population of people with different preferences, or instead by differences in the attributes to which respondents...

Stochastic production frontier models are used extensively in the agricultural and resource economics literature to estimate production functions and technical efficiency, as well as to guide policy. Traditionally these models assume that each agent's production can be specified as a...