Template-Type: ReDIF-Paper 1.0 Series: Tinbergen Institute Discussion Papers Creation-Date: 2004-03-15 Number: 04-031/1 Author-Name: Andrea Galeotti Author-Email: galeotti@few.eur.nl Author-Workplace-Name: Faculty of Economics, Erasmus Universiteit Rotterdam Title: One-way Flow Networks: the Role of Heterogeneity Abstract: I study a one-way flow connections model in which players are heterogeneous with respect to values and the costs of establishing a link. I first show that values and costs asymmetries are crucial in determining the level of connectedness of a network. Interestingly, unconnected equilibria are asymmetric and central players may emerge. Second, I show that non-singleton components have a wheel architecture as far as the costs of linking are not partner specific. Otherwise also the flower architecture constitutes an equilibrium. I interpret these results as saying that asymmetric connections across players are a peculiar feature of homogeneous environments; by contrast, in heterogeneous settings players hold asymmetric connections, which are accompanied by the emergence of central players. Classification-JEL: D85; C72 Keywords: Networks; heterogeneity File-Url: https://papers.tinbergen.nl/04031.pdf File-Format: application/pdf File-Size: 426245 bytes Handle: RePEc:tin:wpaper:20040031