Nash, Betty Joyce. "To Be Clear : Muddy Language Can Be Costly," in Federal Reserve Bank of Richmond. "First Quarter 2013, Volume 17, Number 1," Econ Focus (Federal Reserve Bank of Richmond) (First Quarter 2013) : 19-21. https://fraser.stlouisfed.org/title/3941/item/476958/toc/503638 , accessed on March 24, 2023.