This paper o¤ers a bridge between the theoretical literature on endogenous network formation and the empirical work on the impact of social networks on economic performance. We provide a theoretical framework of endogenous network formation that yields testable predictions for the network architectures generated by a particular informal institution common in village economies. We test the implications of the model on data from rural Ethiopia. In contrast to the current literature, we demonstrate the critical role of both number of links and architecture in determining the impact of social networks on outcomes.Social capital matters, but its impact di¤ers by the architecture of the network to which one belongs.
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Find related papers by JEL classification: D85 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Network Formation Z13 - Other Special Topics - - Cultural Economics - - - Social Norms and Social Capital; Social Networks Economic Anthropology O12 - Economic Development, Technological Change, and Growth - - Economic Development - - - Microeconomic Analyses of Economic Development O17 - Economic Development, Technological Change, and Growth - - Economic Development - - - Formal and Informal Sectors; Shadow Economy; Institutional Arrangements
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