The mad cow disease crisis in the United Kingdom (U.K.) was a major policy disaster. The government and public health officials failed to identify the risk to humans, created tremendous uncertainty regarding the human risks once they were identified, and undertook a series of policies that...

Modern campaigns develop databases of detailed information about citizens to inform electoral strategy and to guide tactical efforts. Despite sensational reports about the value of individual consumer data, the most valuable information campaigns acquire comes from the behaviors and direct...

Behavioral science is increasingly being used to develop interventions to influence important behaviors throughout society. We explore three ways that time interacts with psychological processes to affect the impact of behavioral interventions. The first is how and when there would be a lag...

The author's 2012 book On Global Justice gives pride of place to the idea that humanity collectively owns the earth. Independently of this approach there has been a flourishing literature on the justification of rights to territory. Central to this discussion are a Kantian approach and a Lockean...

American politicians often take it for granted that national security would be enhanced by accelerating domestic oil production, through policies such as subsidies, tax advantages, opening up federal lands for drilling at artificially low charges, and relaxing environmental regulation. This note...

The influence of early events in the history of a country, a social phenomenon, or an organization on later developments has received significant attention in many social science disciplines. Often dubbed "path dependence," this influence occurs when early events influence later outcomes even...

The author's 2012 book On Global Justice argues that the standpoint of humanity's collective ownership of the earth should be central to reflection on the permissibility of immigration. This standpoint is defended here. A number of political philosophers (Michael Blake, Christopher Wellman,...

Political Scientists have produced a substantial body of theory and evidence that explains variation in the availability of local public goods in developing countries. Existing research cannot explain variation in how these goods are maintained over time. I develop a theory that explains how the...

Public sector reforms are commonplace in developing countries. Much of the literature about these reforms reflects on their failures. This paper asks about the successes and investigates which of two competing theories best explain why some reforms exhibit such positive deviance. These theories...

Senior government executives make many decisions, and not-infrequently these are difficult. By "difficult" decisions, the literature generally means ones characterized by complicated and uncertain information, and hard tradeoffs among conflicting value objectives. In a range of interviews with...