"When members of deliberating groups speak with one another, their predeliberation tendencies often become exacerbated as their views become more extreme. The resulting phenomenon -- group polarization -- has been observed in many settings, and it bears on the actions of juries, administrative...

The communications revolution has thrown into question the value of public interest obligations for television broadcasters. But the distinctive nature of this unusual market--with "winner- take-all" features, with viewers as a commodity, with pervasive externalities from private choices, and...

Fearsome risks are those that stimulate strong emotional responses. Such risks, which usually involve high consequences, tend to have low probabilities, since life today is no longer nasty, brutish and short. In the face of a low-probability fearsome risk, people often exaggerate the benefits of...

Why are take-up rates incomplete or low when opportunities are unambiguously advantageous to people who are eligible for them? How can public officials promote higher take-up of opportunity? All over the world, these are challenges of the first order. There are three primary barriers to take-up:...