Groups of five players participated in a social dilemma game in which each player receives a monetary endowment and then chooses whether to contribute it to a monetary public good. The good is provided to all group members if at least three contributions are made; it is not provided, otherwise....

Repeated interaction in integroup conflict was studied in the context of two team games: the intergroup public goods (IPG) game and the intergroup prisoner's dilemma (IPD) game. The results reveal (a) a main effect for game type; subjects were twice as likely to contribute toward their group...

An examination of the behavioral effect of repeated terrorist attacks reveals that local residents (of the attacked area) appear to be much less sensitive to this risk than international tourists. Furthermore, the limited sensitivity on the part of local residents seems to diminish with time,...

Volunteer's dilemmas that evolve over time are presented and modeled as noncooperative n-person games in extensive form with symmetric players, discrete time, finite horizon, and complete information. Volunteering is costly, thereby giving rise to free riding. Reflecting on the observation that...

Games of timing constitute a subclass of two-person, zero-sum, infinite games, where the problem facing each player is not what course of action to take, but rather when to take a prespecified action. The present study is an extension of previous research on games of timing with complete...

Forty-eight groups participated once in an intergroup conflict in which two groups of equal or unequal size competed for the provision of step-level (binary) public goods. The study included a two-factorial design with preplay communication versus no preplay communication defining one dimension,...