Center for Game Theory in Economics - Home Page of the Center for Game Theory in Economics, SUNY at Stony Brook.

Center For Rationality and Interactive Decision Theory - Research on game theory, decision theory, rationality and related topics at the Hebrew University of Jerusalem

CITG - Interuniversity Centre for Game Theory and Applications - Links on game theory, publication, conferences provided by Department of Mathematics, University of Genoa, Italy.

The ESRC Centre for Economic Learning and Social Evolution - Research on learning theory, experimental economics and evolutionary game theory at University College, London (Binmore and others)

Game Theory and Mathematical Economics - Institute of Mathematics, Wroclaw University of Technology, Poland.

Institute of Economic Theory I, University of Bonn - Research mainly on game theory, evolutionary game theory and related topics directed by Prof. Noeldeke

Institute of Economic Theory III, Humboldt University - Research on game theory and experimental economics directed by Prof. Gueth, Berlin

Institute of Economic Theory III, University of Bonn - Research mainly on game theory directed by Prof. Shaked

Institute of Mathematical Economics, University of Bielefeld - Research focusing also on game theory (Prof. Rosenmueller, Prof. Trockel)

Seville Game Theory Group - Lots of links on game theory, papers and publications by members and others.

Econometric Society - International society dedicated to advancing research in theoretical and quantitative economics.