frequently than predicted by their proportion among authors. Using a measure of homophily for individual papers, we find that … greater homophily is associated with publication in lower impact journals and with fewer citations, even holding fixed the …

. 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 …