A New Way to Measure Divergence of Output across Countries*
نویسندگان
چکیده
This paper introduces a new way to measure divergence of output across countries. It measures how productivity, technology or output per worker in each country follow the global frontier. We find that during the years 1970-2008 most countries followed the global frontier only partially, so they diverged from it. We use the tools of ‘development accounting’ to measure by how much countries follow the global technology frontier and find that the rates of following it are even lower. Finally, we show that the result of βconvergence in growth regressions, should be interpreted as convergence of output in each country to its own productivity path, but does not imply convergence across countries.
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