Meyer, Peter B. (contributor); … - 2005
definitions. We analyze employment levels, average
earnings levels, and earnings variance in our occupation categories over time … Autor, Steve Rosenow, Trent Alexander, and colleagues
in the BLS Office of Employment and Unemployment Statistics for data … them in another occupation. (As per
http://www.ipums.umn.edu/usa/pwork/empstata.html ) See appendix A, category 905 …