9 See the point estimates for 2019:Q2 in table 1 in Jeremy B. Rudd (2020), "Underlying Inflation: Its Measurement  and Significance," FEDS Notes (Washington: Board of Governors of the Federal Reserve System, September 18).
10 See Stephanie R. Aaronson, Mary C. Daly, William L. Wascher, and David W. Wilcox (2019), "Okun Revisited:  Who Benefits Most from a Strong Economy?” (PDF) Brookings Papers on Economic Activity, Spring, pp. 333–75. 11 See Lael Brainard (2021), “How Should We Think about Full Employment in the Federal Reserve’s Dual  Mandate?” in note 4. 4/4  BIS central bankers' speeches