We explore the relation between social political identity and prosociality. We first construct a theoretical model to generate predictions for the behavior of players in an ultimatum game who are influenced by social political identity. Then we use a novel subject pool-registered members of...

We propose a theoretical model that combines social identity concerns (Akerlof and Kranton, 2000) with inequity averse preferences (Fehr and Schmidt, 1999). Our subjects are registered members of British political parties for whom identity and redistribution are salient. (1) Proposers and...

We consider discounted-utility models with a reference stream of outcomes. We provide a common framework for the main empirically supported discount functions in terms of three underlying functions: The delay, speedup and generating functions. Each of the delay and speedup functions can be...