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Local Spillovers, Convexity and the Strategic Substitutes Property in Networks
Pascal Billand 1, Christophe Bravard 1, Sudipta Sarangi 2
(2011)

We provide existence results in a game with local spillovers where the payoff function satisfies both convexity and the strategic substitutes property. We show that there always exists a stable pairwise network in this game, and provide a condition which ensures the existence of pairwise equilibrium networks. Moreover, our existence proof allows us to characterize a pairwise equilibrium of these networks.
1 :  Groupe d'analyse et de théorie économique (GATE Lyon Saint-Etienne)
CNRS : UMR5824 – Université Lumière - Lyon II – École Normale Supérieure - Lyon
2 :  Department of Economics, Louisiana State University
Department of Economics, Louisiana State University
Sciences de l'Homme et Société/Economie et finances
networks – existence – spillovers
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