invest in information acquisition. We show that, as information costs grow, polarization appears and becomes increasingly …

We propose a random network model incorporating heterogeneity of agents and a continuous notion of homophily. Unlike … the vast majority of the corresponding economic literature, we capture homophily in terms of similarity rather than … characteristics. A homophily parameter directly determines the strength of this effect. As a main result, we show that for any …

higher resource flow as well as homophily reinforce decision-makers' ideological bias. We highlight that competing lobbyists …

more senior co-authors. Standard models of homophily and discrimination cannot account for these differences. We discuss …

. Second, it relies on the concept of ethnic homophily in link formation to explain the mechanisms leading to those differences … homophily) and the relative size of ethnic groups conditioning the opportunities to form a link (baseline homophily). Inbreeding … homophily is found to be stronger among the Kinh majority, leading to the exclusion of ethnic minorities from Kinh networks …

We examine how three different communication processes operating through social networks are affected by homophily … - the tendency of individuals to associate with others similar to themselves. Homophily has no effect if messages are … broadcast or sent via shortest paths; only connection density matters. In contrast, homophily substantially slows learning based …