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While most papers_new on team decision-making find teams to behave more selfish, less trusting and less altruistic than …-subjects design we re-examine group polarization by letting subjects make individual as well as team decisions in an experimental … dictator game. In our experiment teams are more selfish than individuals, and the most selfish team member has the strongest …
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We study cooperation within and between groups in the laboratory, comparing treatments in which two groups have previously been (i) in conflict with one another, (ii) in conflict with a different group, or (iii) not previously exposed to conflict. We model conflict using an inter-group Tullock...
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This paper experimentally studies the disposition effects of teams and individuals. The disposition effect describes the phenomenon that investors are reluctant to realize losses, whereas winners are sold too early. Our experiments compare the investments of two-person teams to a setting where...
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We study the effect of group size on cooperation in voluntary contribution mechanism games. As in previous experiments, we study four- and eight-person groups in high and low marginal per capita return (MPCR) conditions. We find a positive effect of group size in the low MPCR condition, as in...
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