We study how the city system is affected by the possibility for the members of the same cultural diaspora to interact across different cities. In so doing, we propose a simple two- city model with two mobile cultural groups. A localized externality fosters the productivity of individuals when...

This paper discusses the concept of toleration as it has been manifested in modern society through two contrasting processes the prevalence of group identity, and the prevalence of identity defined according to citizenship and individual rights. Referring primarily to the work of political...

This paper describes how individuals and groups who had crossed physical, national boundaries', and who live in a different social context make sense of their lives make sense of their lives by re-constructing their identities - of the sense of who they are, and who they want to be, which is an...

The behaviour of urban populations is compared with the systems directing behaviour in individuals. This is both a metaphor and a mechanistic parallel. The biological model draws upon recent developments in brain research and psychological and cultural anthropology. The development and operation...

This paper surveys the existing literature on religious and cultural leaders. It discusses potential motivations of a leader and highlights that irrespective of his/her exact motivations, the presence of a leader is crucial for the cultural heterogeneity of a society. The impact of...