This Inflation Defies the Old Models

Wall Street Journal, Dec. 8, 2021–Greg Ip (subscription)
Last April, economists thought inflation would be around 2.5% right now. Instead, it’s over 6%. Even by the forgiving standards of economic forecasting, that’s a miss of epic proportions.
https://www.wsj.com/articles/this-inflation-defies-the-old-models-11638978991?mod=hp_major_pos1#cxrecs_s