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Inequality's Economic and Social Roots: the Role of Social Networks and Homophily

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  • Matthew O. Jackson

Abstract

I discuss economic and social sources of inequality and elaborate on the role of social networks in inequality, economic immobility, and economic inefficiencies. The lens of social networks clarifies how the entanglement of people's information, opportunities, and behaviors with those of their friends and family leads to persistent differences across communities, resulting in inequality in education, employment, income, health, and wealth. The key role of homophily in separating groups within the network is highlighted. A network perspective's policy implications differ substantially from a narrower economic perspective that ignores social structure. I discuss the importance of ``policy cocktails'' that include aspects that are aimed at both the economic and social forces driving inequality.

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  • Matthew O. Jackson, 2025. "Inequality's Economic and Social Roots: the Role of Social Networks and Homophily," Papers 2506.13016, arXiv.org.
    • Handle: RePEc:arx:papers:2506.13016
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