Federal Reserve Bank of San Francisco , Hobijn, Bart , Daly, Mary C. , Pedtke, Joseph , Flaharty, Amber and Lofton, Olivia. "Third Quarter 2018 : Wage Rigidity Meter," Wage Rigidity Meter (October 2018). https://fraser.stlouisfed.org/title/6771/item/622138/content/pdf/2018Q3_20181220, accessed on March 27, 2025.