A person’s identity is the way she is perceived by herself (personal identity) and by others (social identity). For example, “I am a believer in doctrine x”, “I am racially/morally superior”, “I will be hailed as a martyr.” Forms of identity such as these can be valued per se. In their seminal work on the subject, Akerlof and Kranton (2000, 2010) develop a framework for analyzing the role of id...