Appendix E: Median Lead (or Lag) of Seventy-two Selected Indicators Adjusted for Loss of Currency When Smoothed by MCD Moving Averages

Geoffrey H. Moore and Julius Shiskin, Indicators of Business Expansions and Contractions (NBER, 1967), chap. 10, https://www.nber.org/books-and-chapters/indicators-business-expansions-and-contractions/appendix-e-median-lead-or-lag-seventy-two-selected-indicators-adjusted-loss-currency-when-smoothed.