anchor: As cited in Edwin R. Dean and Michael J. Harper, The BLS Productivity Measurement Program, revision of a paper presented at the Research in Income and Wealth Conference on New Direction in Productivity Analysis, March 20-21, 1998, Washington, D.C.: Bureau of Labor Statistics, July 5, 2000.
positive: Edwin R. Dean and Michael J. Harper co-authored The BLS Productivity Measurement Program.
negative: The Research in Income and Wealth Conference on New Direction in Productivity Analysis was written in 1996.