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Normal Approximation in Large Network Models

Michael Leung and Hyungsik Moon ()

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Abstract: We prove a central limit theorem for network moments in a model of network formation with strategic interactions and homophilous agents. Since data often consists of observations on a single large network, we consider an asymptotic framework in which the network size diverges. We argue that a modification of "exponential stabilization" conditions from the literature on geometric graphs provides a useful high-level formulation of weak dependence, which we use to establish an abstract central limit theorem. We then derive primitive conditions for stabilization using results in branching process theory. We discuss practical inference procedures justified by our results and outline a methodology for deriving primitive conditions that can be applied more broadly to other large network models with strategic interactions.

Date: 2019-04, Revised 2023-02
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Handle: RePEc:arx:papers:1904.11060