Series Is Presented Here As Two Variables--(1)--Original Data, 1919-1930 (2)--Original Data, 1930-1968. Data Are Based On The 1957 Industrial Classification. Prior To 1943 Labor Turnover Rates Refer To Production Workers Only; Beginning In 1943 All Employees Are Covered. Beginning In 1959, Transfers Between Establishments Of The Same Firm Are Included In Total Accessions And Total Seperations. Therefore Rates For These Items Are Not Strictly Comparable With Prior Data. Source: Bureau Of Labor Statistics, For 1930-June, 1961 Data:"Employment And Earnings In The United States, 1909-1960", Bls Bulletin No. 1312, 1961; Also For Subsequent Revisions See Bulletins 1312-1 Through 1312-6, 1968; For July, 1961-1968 Original Data Only: Factory Labor Turnover, Monthly Bls Release.
This NBER data series m08255b appears on the NBER website in Chapter 8 at http://www.nber.org/databases/macrohistory/contents/chapter08.html.
NBER Indicator: m08255b
Release: NBER Macrohistory Database
National Bureau of Economic Research, Labor Turnover, Gross Accession Rate, Manufacturing for United States [M0855BUSM497NNBR], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/M0855BUSM497NNBR/, December 1, 2015.