Is Chinese Growth Overstated?

Hunter Clark, Maxim Pinkovskiy, and Xavier Sala-i-Martin

For analysts of the Chinese economy, questions about the accuracy of the country’s official GDP data are a frequent source of angst, leading many to seek guidance from alternative indicators. These nonofficial gauges often suggest Beijing’s growth figures are exaggerated, but that conclusion is not supported by our analysis, which draws upon satellite measurements of the intensity of China’s nighttime light emissions—a good proxy for GDP growth that is presumably not subject to whatever measurement errors may affect the country’s official economic statistics.