Many nudges are designed to make people better off, as judged by themselves. This criterion, meant to ensure that nudges will increase people's welfare, contains some ambiguity. It is useful to distinguish among three categories of cases: (1) those in which choosers have clear antecedent...

Why and when does outrage grow? This essay explores two potential answers. The first points to a revision or weakening of social norms, which leads people to express outrage that they had previously suppressed. The second points to a revision or weakening of social norms, which leads people to...