If Technology Has Arrived Everywhere, Why has Income Diverged?
NBER Working Paper No. 19010
We study the lags with which new technologies are adopted across countries, and their long-run penetration rates once they are adopted. Using data from the last two centuries, we document two new facts: there has been convergence in adoption lags between rich and poor countries, while there has been divergence in penetration rates. Using a model of adoption and growth, we show that these changes in the pattern of technology diffusion account for 80% of the Great Income Divergence between rich and poor countries since 1820.
Document Object Identifier (DOI): 10.3386/w19010
Published: Diego Comin & Martí Mestieri, 2018. "If Technology Has Arrived Everywhere, Why Has Income Diverged?," American Economic Journal: Macroeconomics, vol 10(3), pages 137-178. citation courtesy of
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