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Germs, Social Networks and Growth

  • Alessandra Fogli
  • Laura Veldkamp

Does the pattern of social connections between individuals matter for macroeconomic outcomes? If so, how does this effect operate and how big is it? Using network analysis tools, we explore how different social structures affect technology diffusion and thereby a country's rate of technological progress. The network model also explains why societies with a high prevalence of contagious disease might evolve toward growth-inhibiting social institutions and how small initial differences can produce large divergence in incomes. Empirical work uses differences in the prevalence of diseases spread by human contact and the prevalence of other diseases as an instrument to identify an effect of social structure on technology diffusion.

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Paper provided by National Bureau of Economic Research, Inc in its series NBER Working Papers with number 18470.

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Date of creation: Oct 2012
Date of revision:
Handle: RePEc:nbr:nberwo:18470
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