“We should also consider a counterfactual: how inflation and labor market outcomes would have differed under alternative policy choices. With respect to inflation, it’s true that the prices of many everyday goods soared in the aftermath of the COVID-19 pandemic, placing a major strain on many American households. However, as the supply disruptions that drove much of this inflation abated and labor market disruptions subsided, the pace of inflation cooled dramatically. With respect to the labor market, support from the American Rescue Plan substantially offset the income gaps confronting roughly 10 million people who had become unemployed or had left the labor force by the end of 2020. That both averted significant hardship and supported demand, which allowed Americans to get back to work quickly. The rapid decline in unemployment enabled the United States to avoid labor market scarring—the erosion of skills and reduced employability that can result from long periods of unemployment—and thus avoid an associated reduction in future potential output," says Treasury Secretary Janet Yellen.
"Now, consider the likely consequences of an alternative fiscal response, one solely aimed at preventing the post-pandemic surge in prices without considering the consequences for unemployment. To prevent that inflation surge, fiscal policy would have had to be much tighter. Indeed, a contractionary fiscal policy would likely have been needed to offset the inflationary impact of the pandemic-induced contraction in supply. Such a policy would have withheld critical aid from households and businesses and would likely have led to far lower output and employment. That could have meant millions more people out of work, households without the income to meet their financial obligations, and lackluster consumer spending.
"An important 'what-if' exercise would ask: how much more unemployment would have resulted from a fiscal contraction sufficient to keep inflation at the Fed’s 2% target? The answer is 'a lot,' although the exact magnitude depends importantly on some key parameter values, particularly the Phillips curve slope, which measures the sensitivity of inflation to a demand-induced contraction in output… [I]t is widely accepted that some increase in unemployment would have been required to offset the pandemic-induced inflation. Estimates from representative models find that the unemployment rate would have had to rise to 10% to 14% to keep inflation at 2% throughout 2021 and 2022. That would have meant an additional 9 to 15 million people out of work.”