I was born in Tel Aviv, in what is now Israel, in 1934, while my mother was visiting her extended family there; our regular domicile was in Paris. My parents were Lithuanian Jews, who had immigrated to France in the early 1920s and had done quite well. My father was the chief of research in a...

In this paper we propose a model of natural recovery, a widespread yet unexplained aspect of addictive behavior, starting from the recent theory developed by Bernheim and Rangel (2004). While the Bernheim and Rangel model generates many distinctive patterns of addiction, it does not explicitly...

A choice function is sequentially rationalizable if there is an ordered collection of asymmetric binary relations that identifies the selected alternative in every choice problem. We propose a property, F-consistency, and show that it characterizes the notion of sequential rationalizability....

Economics has typically been the social science of choice to inform public policy and policymakers. In the current paper we contemplate the role behavioral science can play in enlightening policymakers. In particular, we provide some examples of research that has and can be used to inform...

Development of human societies requires cooperation among unrelated individuals and obedience to social norms. Although punishment is widely agreed to be potentially useful in fostering cooperation, many recent results in psychology and economics highlight punishments' failures in this regard....

This paper analyzes the implications of worker overestimation of productivity for firms in which incentives take the form of tournaments. Each worker overestimates his productivity but is aware of the bias in his opponent’s self-assessment. The manager of the firm, on the other hand, correctly...

Analysts make competing claims about when and how politicians can use fear to gain support for suboptimal policies. Using a model, we clarify how common attributes of fear affect politicians’ abilities to achieve self-serving outcomes that are bad for voters. In it, a politician provides...