We introduce a game theory model of individual decisions to cooperate by contributing personal resources to group decisions versus by free-riding on the contributions of other members. In contrast to most public-goods games that assume group returns are linear in individual contributions, the...

When a person evaluates his or her confidence in a judgment, what is the effect of receiving more judgment-relevant information? We report three studies that show when judges receive more information, their confidence increases more than their accuracy, producing substantial confidence-accuracy...

Eastern Europe is now undergoing three distinct transitions: to markets, to democracy, and to constitutionalism. Under current conditions, the transition to constitutionalism is a logical precondition for the transitions to markets and democracy. To protect both of these, it is especially...

Over the coming decades, the increasingly popular "precautionary principle" is likely to have a significant impact on policies all over the world. Applying this principle could lead to dramatic changes in decision making. Possible applications include climate change, genetically modified food,...

<Para ID="Par1">This brief essay offers a general introduction to the idea of nudging, along with a list of 10 of the most important “nudges.” It also provides a short discussion of the question whether to create some kind of separate “behavioral insights unit,” capable of conducting its own research,...</para>