• Revisions as a measure of quality • Causes of revisions • Revisions analysis available • Key revisions analysis messages for GDP • International Comparisons • Communicating other quality informatio

The paper describes the challenges that uncertainty over the true value of key macroeconomic variables poses for policymakers and the way in which they may form and update their priors in light of a range of indicators. SpeciÂ…cally, it casts the data uncertainty challenge in state space form...