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 the...

"Identifies dozens of myths, bad models, and unhelpful metaphors, replacing some with twenty-first century research and revealing gaps where research needs to be done...Links the origins of theories about change to the history of ideas and suggests that the human sciences will provide real...