Federal Reserve Bank of Chicago. Research Department and Federal Reserve Bank of Chicago. "Is There Evidence of the New Economy in the Data?, Working Paper 1999-22" in Working Papers (Federal Reserve Bank of Chicago) (December 1999). https://fraser.stlouisfed.org/scribd/?item_id=533557&filepath=/files/docs/historical/frbchi/workingpapers/frbchi_workingpaper_1999-22.pdf&start_page=1, accessed on October 20, 2017.
Cover page incorrectly lists the Working Paper Number as 99-21.