This paper reviews three distinct strategies in recent economics for using the concept of social identity in the explanation of individual behavior: Akerlof and Kranton’s neoclassical approach, Sen’s commitment approach, and Kirman et al.’s complexity approach. The primary focus is the...

This paper examines the conception of individuals as being of certain types in Harsanyi's transformation of games of incomplete information into games of complete information. It argues that while the conception of the individual in games of complete information offers potential advances over...