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In this paper we test the celebrated `Strength of weak ties' theory of Granovetter (1973). We test two hypotheses on the network structure in a data set of collaborating economists. While we find support for the hypothesis of transitivity of strong ties, we reject the hypothesis that weak ties...
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women in the field. As women remain underrepresented, gender homophily may serve as a constraint in collaboration. It could … also lead to less gender diverse co-author teams than may be optimal in terms of generating high quality research papers …. We show that gender homophily neither constrains collaboration nor prevents higher quality output. …
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