T. K. AHN Florida State University, USA HELMUT BESTER Free University of Berlin, Germany SIEGFRIED K. BERNINGHAUS University of Karlsruhe, Germany GARY BOLTON Penn State University, USA TILMAN BÖRGERS University College London, UK COLIN F. CAMERER California Institute of Technology, USA JUAN-CAMILO CARDENAS Universidad de Los Andes, Bogota MARTIN DUFWENBERG University of Arizona, USA DANIEL FRIEDMAN University of California Santa Cruz, USA URI GNEEZY University of Chicago, USA WERNER GÜTH Max Planck Institute for Research into Economic Systems, Germany TECK-HUA HO University of California Berkeley, USA JOHN H. KAGEL Ohio State University, USA ELENA KATOK Penn State University, USA HARTMUT KLIEMT Gerhard Mercator University, Duisburg, Germany MANFRED KÖNIGSTEIN University of Erfurt, Germany JUIN KUAN CHONG National University of Singapore, Singapore ANTONIO J. MORALES University of Malaga, Spain WIELAND MÜLLER Tilburg University, The Netherlands AXEL OCKENFELS University of Cologne, Germany EILINOR OSTROM Indiana University, USA JAMES E. PARCO United States Air Force Academy, USA AMNON RAPOPORT University of Arizona, USA ALVIN E. ROTH Harvard University, USA ALDO RUSTICHINI University of Minnesota, USA DARRYL A. SEALE University of Nevada, USA REINHARD SELTEN University of Bonn, Germany NIRVIKAR SINGH University of California Santa Cruz, USA WILLIAM E. STEIN Texas A&M University, USA BODO VOGT University of Magdeburg, Germany JÖRGEN WEIBULLBoston University, USA MENAHEM E. YAARI Hebrew University, Israel RAMI ZWICK Hong Kong University of Science and Technology, Hong Kong