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

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

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 …

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

We show that the creation of the first integrated pan-European transport network during Roman times influences economic … interregional trade was strongly influenced by connectivity within the network. Today, these connectivity differentials continue to … cultural integration due to bilateral convergence in preferences and values. Both plausibly arise from network-induced history …

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 …

maximize it. Through the links in the collaboration network, researchers create spillovers not only to their direct coauthors … possibly overlapping projects. We bring our model to the data by analyzing the coauthorship network of economists registered in … the coauthorship network. Moreover, we analyze funding instruments for individual researchers as well as research …