We study experimentally when, why, and how people intervene in others’ choices. Choice Architects (CAs) construct opportunity sets containing bundles of time-indexed payments for Choosers. CAs frequently prevent impatient choices despite opportunities to provide advice, believing Choosers...

We investigate how individuals think groups should aggregate members' ordinal preferences -that is, how they interpret "the will of the people." In an experiment, we elicit revealed attitudes toward ordinal preference aggregation and classify subjects according to the rules they apparently...

Intra-familial conflict which arises from individual consumption choices in an environment characterized by mutual altruism and direct consumption externalities results in parents receiving from their children less than the desired level of attention. Parents adopt a joint bequest-fertility...