: National Bureau of Economic Research, May (revised November 2020)), https://www.nber.org/system/files/working_papers/w27095/w27095.pdf; and R. Glenn Hubbard and Michael R. Strain (2020), “Has the Paycheck Protection Program Succeeded?” NBER Working Paper Series 28032 (Cambridge, Mass. : National Bureau of Economic Research, October), https://doi.org/10.3386/w28032.
9 For a description of the reallocation of resources induced by the COVID-19 shock, see Jose Maria Barrero, Nicholas Bloom, and Steven J. Davis (2020), “COVID-19 Is Also a Reallocation Shock,” NBER Working Paper Series 27137 (Cambridge, Mass. : National Bureau of Economic Research, May), https://doi.org/10.3386/w27137.