KEY POINTS
  • U.S. inflation started to gain pace in early 2021 as the economy emerged from the Covid-19 pandemic, rising from an annual 1.2% in December 2020 to a 40-year high of 9.1% in June 2022.
  • "The Fed thought the source of the inflation that began in the post-pandemic era was excess demand, and you could understand why they may have thought that if they didn't do their homework," Stiglitz told CNBC's Steve Sedgwick at the Ambrosetti Forum.
  • Instead, the economist said that the price rises were often driven by other factors, such as a shortage of key components like semiconductor chips.

The Federal Reserve "didn't do their homework" and mischaracterized the spike in inflation that has plagued the U.S. economy over the last two years, according to Nobel Prize-winning economist Joseph Stiglitz.

U.S. inflation started to gain pace in early 2021 as the economy emerged from the Covid-19 pandemic, rising from an annual 1.2% in December 2020 to a 40-year high of 9.1% in June 2022.