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

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 III, Humboldt University
Research on game theory and experimental economics directed by Prof. Gueth, Berlin

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.

International Society of Dynamic Games
Promotes interactions among researchers. Publishes an archival journal, Annals of Dynamic Games.

International Society of Dynamic Games, Russian Chapter
Center of Game Theory, Faculty of Applied Mathematics and Control Processes, Saint-Petersburg State University.

Institute of Economic Theory I, Humboldt University
Research mainly on auction theory, mechanism design, industrial organization and applied game theory directed by Prof. Wolfstetter, Berlin

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