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Network cohesion

Author

Listed:
  • Tiago V. V. Cavalcanti

    (University of Cambridge, Faculty of Economics)

  • Chryssi Giannitsarou

    (University of Cambridge, Faculty of Economics)

  • Charles R. Johnson

    (College of William and Mary)

Abstract

We define a measure of network cohesion and show how it arises naturally in a broad class of dynamic models of endogenous perpetual growth with network externalities. Via a standard growth model, we show why network cohesion is crucial for conditional convergence and explain that as cohesion increases, convergence is faster. We prove properties of network cohesion and define a network aggregator that preserves network cohesion.

Suggested Citation

  • Tiago V. V. Cavalcanti & Chryssi Giannitsarou & Charles R. Johnson, 2017. "Network cohesion," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 64(1), pages 1-21, June.
    • Handle: RePEc:spr:joecth:v:64:y:2017:i:1:d:10.1007_s00199-016-0992-1
    DOI: 10.1007/s00199-016-0992-1
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    References listed on IDEAS

    as
    1. Sanjeev Goyal, 2007. "Introduction to Connections: An Introduction to the Economics of Networks," Introductory Chapters, in: Connections: An Introduction to the Economics of Networks, Princeton University Press.
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    3. Peter M. DeMarzo & Dimitri Vayanos & Jeffrey Zwiebel, 2003. "Persuasion Bias, Social Influence, and Unidimensional Opinions," The Quarterly Journal of Economics, President and Fellows of Harvard College, vol. 118(3), pages 909-968.
    4. Federico Echenique & Roland G. Fryer, 2007. "A Measure of Segregation Based on Social Interactions," The Quarterly Journal of Economics, President and Fellows of Harvard College, vol. 122(2), pages 441-485.
    5. Isabel Melguizo, 2019. "Homophily and the Persistence of Disagreement," The Economic Journal, Royal Economic Society, vol. 129(619), pages 1400-1424.
    6. Tiago V. V. Cavalcanti & Chryssi Giannitsarou, 2017. "Growth and Human Capital: A Network Approach," Economic Journal, Royal Economic Society, vol. 127(603), pages 1279-1317, August.
    7. Cem Ertur & Wilfried Koch, 2007. "Growth, technological interdependence and spatial externalities: theory and evidence," Journal of Applied Econometrics, John Wiley & Sons, Ltd., vol. 22(6), pages 1033-1062.
    8. Debraj Ray, 2006. "On the dynamics of inequality," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 29(2), pages 291-306, October.
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