00701nam a2200193Ia 450000100060000000300050000600500170001100800410002801000170006905000170008608200140010310000290011724501570014626000560030330000190035949000720037850000110045065000460046180512BIBL20200525094016.0700725s1961    njua     s    00110 eng    a 61007405 /L0 aHC110.L3bK4  a338.0197310aKendrick, John W.2Local10aProductivity trends in the United Statescby John W. Kendrick, assisted by Maude R. Pech. A study by the National Bureau of Economic Research, New York.0 aPrinceton [N.J.]bPrinceton University Pressc1961.  a630 p.billus.0 aNational Bureau of Economic Research. General series, no. 882Local  a920724 0aLabor productivityzUnited States.2Local