Release: NBER Macrohistory Database
Source: NBER Computed Data, Rounding And Dividing Series 08313 (Nonagricultural Job Openings, Number Pending) By Series 08084 (Unemployment).
This NBER data series m08342 appears on the NBER website in Chapter 8 at http://www.nber.org/databases/macrohistory/contents/chapter08.html.
NBER Indicator: m08342
National Bureau of Economic Research, Ratio of Nonagricultural Job Openings Unfilled To Number of Persons Unemployed for United States [M08342USM163NNBR], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/M08342USM163NNBR, January 22, 2018.