Markus Eberhardt, 28 April 2019

Recent evidence suggests that a country switching to democracy achieves about 20% higher per capita GDP over subsequent decades. This column demonstrates the sensitivity of these findings to sample selection and presents an implementation which generalises the empirical approach. If we assume that the democracy–growth nexus can differ across countries and may be distorted by common shocks or network effects, the average long-run effect of democracy falls to 10%.  

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