One-way flow networks: the role of heterogeneity |
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Authors: | Andrea Galeotti |
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Institution: | (1) Social and Information Science Laboratory, CALTECH, Pasadena, CA 91125, USA;(2) Department of Economics, University of Essex, Colchester, UK |
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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 show that values and costs heterogeneity are equally important in determining the level of connectedness and the architecture of equilibrium networks. I also show that when asymmetries are independent of the potential partner there are distributions of costs and values for which centrality is a distincitive feature of equilibrium networks. This sharply contrasts with the homogeneous case.I thank an anonymous referee for useful comments. The paper has benefited from discussion with Gabriella Conti, Jose Luis Moraga-Gonzalez, Fernando Vega-Redondo and Sanjeev Goyal. |
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Keywords: | Network formation Heterogeneity |
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