lifting) matter less when individuals are more patient and altruistic, or exhibit less negative reciprocity. To account for …

We study how reelection concerns affect reciprocity by elected leaders to the voters who elected them. If showing … reciprocity? We present a signalling model of candidate behavior, where we show that candidates may limit intrinsic reciprocity to … for instrumental purposes. We then present an experiment that tests these ideas in the laboratory and finds support for …

costly contracts or expensive reputations. Concurrently, experiments suggest that reciprocity is a potent substitute for law …

. This study also presents empirical evidence from a laboratory experiment in which students at a selective college were …

, laboratory work and, indeed, psychology more generally, gives us little guidance as to market outcomes. Economics provides a …