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A Network Approach to Public Goods

Matthew Elliott and Benjamin Golub

Cambridge Working Papers in Economics from Faculty of Economics, University of Cambridge

Abstract: Suppose agents can exert costly effort that creates nonrival, heterogeneous benefits for each other. At each possible outcome, a weighted, directed network describing marginal externalities is defined. We show that Pareto efficient outcomes are those at which the largest eigenvalue of the network is 1. An important set of efficient solutions - Lindahl outcomes - are characterized by contributions being proportional to agents' eigenvector centralities in the network. The outcomes we focus on are motivated by negotiations. We apply the results to identify who is essential for Pareto improvements, how to efficiently subdivide negotiations, and whom to optimally add to a team.

Date: 2018-02-07
New Economics Papers: this item is included in nep-cdm, nep-gth, nep-hpe, nep-mic and nep-net
Note: mle30
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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Journal Article: A Network Approach to Public Goods (2019) Downloads
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Persistent link: https://EconPapers.repec.org/RePEc:cam:camdae:1813

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