Using a series of controlled laboratory experiments involving decisions to intervene in others’ choice opportunities; we find that groups grant more autonomy to others than individuals. This finding is robust across two decision contexts, one involving individual decision-making (Internality)...

How can we assess the diversity of a group of decision makers? Identifying decision makers with their preferences, we address this question by applying the multi-attribute approach developed by Nehring and Puppe (2002) to sets of preferences. Specifically, we provide a repertoire of alternative...