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Gary Bornstein's Personal Home Page

Contact Information

Telephone:972-2-5883029
Fax:972-2-5881159
Room:3506
E-mail: msgary@mscc.huji.ac.il
 Mailing Adress:

Department of Psychology
Hebrew University of Jerusalem
Jerusalem, 91905
Israel

Gary Bornstein is a Professor of Psychology. He is also a member of the Center for the Study of Rationality and Interactive Decision Theory and the Director of RatioLab (the Laboratory for Interactive Decision Research). His main areas of research are intergroup conflict and group decision-making in strategic settings.

Research Interests

Intergroup Conflict:

    Intergroup conflicts entail conflicts of interests within the competing groups as well. I study a class of games which incorporate the intragroup and intergroup levels of conflict. These games provide a theoretical framework for analyzing the prototypical problems of cooperation and competition that arise within and between groups. They also constitute an effective experimental paradigm for studying individual and group behavior in the laboratory.
Representative publications:

Rapoport, A. & Bornstein, G. (1987). Intergroup competition for the provision of binary public goods. Psychological Review, 94, 291-299. open pdf file

Bornstein, G. (1992). The free rider problem in intergroup conflicts over step-level and continuous public goods.  Journal of Personality and Social Psychology, 62, 597-606. open pdf file

Bornstein, G., & Ben-Yossef, M. (1994). Cooperation in intergroup and single-group social dilemmas.  Journal of Experimental Social Psychology, 30, 52-67. open pdf file

Bornstein, G., Mingelgrin, D. & Rutte, C. (1996). The effect of within-group communication on group decision and individual choice in the Assurance and Chicken team games.  Journal of Conflict Resolution,40, 486-501. open pdf file

Bornstein, G., Budescue, D., & Zamir, S. (1997). Cooperation in intergroup, two-person, and n-person games of Chicken.  Journal of Conflict Resolution, 41, 384-406. open pdf file

Bornstein, G. & Gilula, Z. (2003). The effect of between-group communication on conflict resolution in the intergroup Assurance and Chicken games. Journal of Conflict Resolution, 47, 326-339. open pdf file

Erev, I.,Bornstein, G., & Galili, R. (1993). Constructive intergroup competition as a solution to the free rider problem: A field experiment.  Journal of Experimental Social Psychology, 29, 463-478. open pdf file

Bornstein, G., Gneezy, U., & Nagel, R. (2002).  The effect of intergroup competition on intragroup coordination: An experimental study. Games and Economic Behavior, 41, 1-25. open pdf file

Bornstein, G. (2003).  Intergroup conflict: Individual, group, and collective interests.  Personality and Social Psychology Review., 7, 129-145. open pdf file

Bornstein, G., & Gneezy U. (2002).  Price competition between teams.  Experimental Economics, 5, 29-38. open pdf file

Halevy, N., Bornstein, G., & Sagiv, L. (2008).  "Ingroup love" and "Outgroup hate" as motives for individual participation in intergroup conflict: A new game paradigm. Psychological Science, 19, 405-411. open pdf file

Bornstein, G., Budescu, D., Kugler, T., & Selten, R. (2008). Repeated price competition between individuals and between teams. Journal of Economic Behavior and Organization, 66, 808-82.. open pdf file

Group decision-making:

    Whereas important strategic decisions are often made by groups (e.g., boards of directors, committees, governments), the experimental study of strategic decision-making has typically used individuals as the decision-making agents. The following experiments compare individual and group decisions in strategic (interdependent) settings.

Representative publications:

Bornstein, G., & Yaniv, I. (1998). Individual and group behavior in the ultimatum game: Are groups more “rational” players? Experimental Economics, 1, 101-108. open pdf file

Bornstein, G., Kugler, T., & Ziegelmeyer, A. (2004). Individual and group behavior in the Centipede game: Are groups more "rational" players? Journal of Experimental Social Psychology, 40, 599-605. open pdf file

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