Since the outbreak of the Global Financial Crisis (GFC) in 2008, some events in key advanced and emerging economies contributed to a notable increase in economic policy uncertainty (EPU). In the United States (US), for example, discussions over the debt ceiling, threats of trade agreement annulments and re-negotiations, and the possibility of a fiscal expansion financed by changes to the tax system made policies harder to predict and resulted in repercussions for partner countries. In Europe, Brexit negotiations, fiscal challenges, and major elections in some countries had similar effects. In China, the leadership transition and currency adjustments had local effects, but also generated global spillovers. In some instances, regional and global events-rather than country-specific ones-marked steep increases in global uncertainty, as in the case of the Arab spring and the immigration crisis in Europe, among others.High levels of EPU revamped the debate about its impact on economic activity. While EPU has commonly a negative connotation, its sole meaning refers to uncertainty surrounding future policy, which does not necessarily imply a higher probability of implementing a policy that yields a worse