ViewpointsOpinionWhy Are Economic Forecasts So Often Wrong?SavePrintU.S. dollar banknotes are seen through a printed stock graph in this illustration taken on Feb. 7, 2018. Dado Ruvic/ReutersDaniel Lacalle12/20/2020|Updated: 12/21/2020CommentaryAt the end of every year, we receive numerous estimates of global GDP growth and inflation for the following year. Historically, in almost all cases, expectations of inflation and growth are too optimistic in December for the following year.We had a problem loading this article. Please enable javascript or use a different browser. If the issue persists, please visit our help center.