Both the law and culture make a central distinction between acts of commission that overturn the status quo and acts of omission that uphold it. In everyday life acts of commission often elicit stronger reciprocal responses than do acts of omission. In this paper we compare reciprocal responses...

This paper develops a nonparametric theory of preferences over one's own and others' monetary payoffs. We introduce more altruistic than (MAT), a partial ordering over preferences, and interpret it with known parametric models. We also introduce and illustrate more generous than (MGT),a partial...

Abstract. This paper develops a theory of revealed preferences over one's own and others' monetary payoffs. We introduce "more altruistic than" (MAT), a partial ordering over preferences, and interpret it with known parametric models. We also introduce and illustrate "more generous than" (MGT),...