This paper explores the effect of personality traits on: (1) the willingness to make risk-taking decisions on behalf of a group, (2) the nature of "choice shifts", i.e. the difference between the amount of risk taken in the group context and individually. Openness and agreeableness emerge as...

We report results from a laboratory experiment that explores the effects of preference communication and leader selection mechanisms in group decision-making. In a setting where all members of a group get the same payoff based on the group leader’s decision of how much risk to take, we study...

This paper introduces a class of endogenously proportional bargaining solutions. These solutions are independent of the class of Directional solutions, which Chun and Thomson (1990a) proposed to generalize (exogenously) proportional solutions of Kalai (1977). Endogenously proportional solutions...