Stock, James H. and Watson, Mark W. "How Did Leading Indicator Forecasts Perform During the 2001 Recession?," in Federal Reserve Bank of Richmond. "Summer 2003, Vol. 89, No. 3," Economic Quarterly (Federal Reserve Bank of Richmond) (Summer 2003) : 71-90. https://fraser.stlouisfed.org/title/960/item/477418/toc/502008 , accessed on April 25, 2024.