We investigate a selection-mutation model for the dynamics of technological innovation,a special case of reaction-diffusion equations. Although mutations are assumed to increase the variety of technologies, not their average success (fitness), they are an essential prerequisite for innovation....

Norms play an important role in establishing social order. Thecurrent literature focuses on the emergence, maintenance and impactof norms with regard to coordination and cooperation. However, theissue of norm-related conict deserves more attention. We develop ageneral theory of \normative...

Norms play an important role in establishing social order. The current literature focuses on the emergence, maintenance and impact of norms with regard to coordination and cooperation. However, the issue of norm-related conflict deserves more attention. We develop a general theory of normative...