Voting is often the most public and visible example of mass collective decision-making. But how do we define a collective decision? And how do we classify and e

Individual decision making can often be wrong due to misinformation, impulses, or biases. Collective decision making, on the other hand, can be surprisingly acc

A study of the classical aggregation problems that arise in social choice theory, voting theory, and group decision-making under uncertainty.

An examination of the phenomenon of social cooperation failure, even amongst a group of rational individuals.

In the last decade the techniques of social choice theory, game theory and positive political theory have been combined in interesting ways so as to pro vide a