In a 2015 working paper, the economists Scott R. Baker, Nicholas Bloom, and Steven J. Davis constructed Economic Policy Uncertainty (EPU) indices for a dozen countries using digital news archives. The indices (covering Canada, China, France, Germany, India, Italy, Japan, Russia, South Korea, Spain, the United Kingdom, and the United States) were created by counting the number of newspaper articles in each country and each month that had the trifecta of terms “economy” (E), policy” (P) and “uncertainty” (U).
L'année dernière, dans le cadre d'un document de travail, les économistes Scott R. Baker, Nicholas Bloom et Steven J. Davis ont construit un taux d'incertitude économique (EPU, Economic Policy Uncertainty) à partir des archives digitales des journaux de 12 pays (Canada, Chine, France, Allemagne, Inde, Italie, Japon, Russie, Corée du Sud, Espagne, Royaume-Uni et USA).