This paper contrasts competing theories and evidence on the nature and significance of African American racial identity. In particular, we seek to examine whether race is best understood as a set of values and behaviors or whether race is best understood as a social norm.

In this paper, we develop a game theoretic model for cooperative advertising in a supply chain consisting of a monopolistic manufacturer selling its product to the consumer only through competing duopolistic retailers. We consider a new form of the demand function which is an additive form. The...

"Written with the attempt to tell credible history and possible scenes, in order to anticipate still latent tendencies, or in order to imagine communities and societies more civil, richer than reciprocity, in all its shapes. " (p. xv). From this ambitious premised the author of the issue takes...

We develop a simple model to study the coevolution of interaction structures and action choices in prisoners' dilemma games. Agents are boundedly rational and choose both actions and interaction partners via payoff-biased imitation. The dynamics of imitation and exclusion yields polymorphic...

“Written with the attempt to tell credible history and possible scenes, in order to anticipate still latent tendencies, or in order to imagine communities and societies more civil, richer than reciprocity, in all its shapes. ” (pp. XV). From this ambitious premised the author of the issue...

We present an experiment for the study of learning in a complex task which requires both memorisation and the ability to process several pieces of information. The outcome of an action, for which immediate feedback is given, depends on the context (i.e. one of thirty-two sequences of three...