Barnes, Michelle L.; Gumbau-Brisa, Fabià; Olivei, … - Federal Reserve Bank of Boston - 2013
Using U.S. real-time data, we show that changes in the unemployment rate unexplained by Okun's Law have significant predictive power for GDP data revisions. A positive (negative) error in Okun's Law in real time implies that GDP will be later revised to show less (more) growth than initially...