networks. Individuals come in different types and have type-dependent benefits from friendships; we examine the properties of a …

exposure of each of them to the other community. We derive a number of results with regard to equilibrium networks. In …

The paper studies the impact of homophily on the optimal strategies of a monopolist, whose marketing campaign of new … product relies on a word of mouth communication. Homophily is a tendency of people to interact more with those who are similar … a number of results: (i) for low levels of homophily the product attractive to both types of consumers is preferred to …

selection of migrants in terms of skills if there is a intergenerational transmission of education. …

The Internet is now being used as a mechanism for the delivery of social support on a global scale, chiefly through the … of newsgroups for social support. This paper examines the use of an Internet Relay Chat (IRC) 'room', by a self … roles that these new forms of Internet mediated self-help and social support might play in changing the relationships of …