Series Is Presented Here As Two Variables--(1)--Original Data, 1919-1930 (2)--Original Data, 1930-1968. These Figures Represent Unweighted Medians Of Rates Derived From Reports Of Sample Companies, The Rates Being Computed On The Basis Of Average Number Of Employees On The Payroll. The Original Data Were Stated On An Equivalent Annual Basis. NBER Converted These Back Into Monthly Rates By Dividing By 11.77; 12.17; 13.04; 12.62 Depending On Whether The Number Of Days In A Given Month Is 31, 30, 28, Or 29. Original Data Are In The NBER Description File. Rates Refer To Wage Earners; Certain Seasonal Industries Are Excluded. Source: Bureau Of Labor Statistics, Monthly Labor Review, July, 1929 And February, 1931.
This NBER data series m08255a appears on the NBER website in Chapter 8 at http://www.nber.org/databases/macrohistory/contents/chapter08.html.
NBER Indicator: m08255a
Release: NBER Macrohistory Database
National Bureau of Economic Research, Labor Turnover, Gross Accession Rate, Manufacturing for United States [M0855AUSM497NNBR], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/M0855AUSM497NNBR/, July 6, 2015.