Pinkovskiy, Maxim; Sala-i-Martin, Xavier - 2016
Penn World Tables (PWT) and of the World Development Indicators (WDI) better estimate true income per capita. We find that … constant-price series in both PWT 8.0 and PWT 8.1, the two most recent vintages of the PWT. We additionally find that the World … Development Indicators are as good, and often better, measures of unobserved true income as any recent vintages of the Penn World …