Indexes of Diffusion of Changes in Number of Employees on Payrolls in 172 Private Nonagricultural Industries
United States. Bureau of Labor Statistics. "Indexes of Diffusion of Changes in Number of Employees on Payrolls in 172 Private Nonagricultural Industries," in United States. Bureau of Labor Statistics. "January 1980," The Employment Situation (February 1, 1980) : 16-16. https://fraser.stlouisfed.org/title/144/item/56069/toc/490523 , accessed on April 28, 2024.