, connections increase over time, but homophily on gender and ethnicity is relatively constant across time, university residences …, and different network layers. At the individual level, homophilous tendencies are persistent across time and network … layers. Furthermore, we see assortativity in homophilous tendencies. There is weaker, albeit significant, homophily over …

This paper defines isomorphism for network formation that is not mathematically isomorphic. Once the pattern of network …

We explore network effects on generosity for different network dimensions. To this end we elicit multiple network … matters for friendship ties but that structural network variables are important in all network dimensions. Importantly, these … effects are not invariant across different network dimensions. We also find that individual characteristics are unrelated with …

nominations. Such rent-seeking results in excessive network formation. Political parties may reduce wasteful network formation …

In this paper, we develop a network perspective on the welfare gains from trade in today’s internationally fragmented …

The recent literature on firm-to-firm trade has documented salient empirical regularities of the buyer-seller network …

We study a model of network formation and start-up financing with endogenous entrepreneurial type distribution. A hub … firm admits members to its network based on signals about entrepreneurs' types. Network membership is observable, which … allows lenders to offer different interest rates to network and stand-alone entrepreneurs. We show that a network outcome can …