The Global Economic Policy Uncertainty Index is a GDP-weighted average of national EPU indices for 20 countries: Australia, Brazil, Canada, Chile, China, France, Germany, Greece, India, Ireland, Italy, Japan, Mexico, the Netherlands, Russia, South Korea, Spain, Sweden, the United Kingdom, and the United States.. For additional details, including an analysis of the performance of the model, see Baker, Scott, Nicholas Bloom and Steven Davis (2016), "Measuring Economic Policy Uncertainty" (https://www.policyuncertainty.com/media/EPU_BBD_Mar2016.pdf)

The World Uncertainty Index determines uncertainty using the frequency of the selfsame word in the quarterly Economist Intelligence Unit country reports. Please see Hites Ahir, Nicholas Bloom and Davide Furceri (2018), 'The World Uncertainty Index' (https://www.policyuncertainty.com/media/WUI_mimeo_10_29.pdf) for additional explanation.

The Global Economic Policy Uncertainty Index is a GDP-weighted average of national EPU indices for 20 countries: Australia, Brazil, Canada, Chile, China, France, Germany, Greece, India, Ireland, Italy, Japan, Mexico, the Netherlands, Russia, South Korea, Spain, Sweden, the United Kingdom, and the United States.. For additional details, including an analysis of the performance of the model, see Baker, Scott, Nicholas Bloom and Steven Davis (2016), "Measuring Economic Policy Uncertainty" (https://www.policyuncertainty.com/media/EPU_BBD_Mar2016.pdf)