mystery of human capital as engine of growth, or why the U.S. became the economic superpower in the 20th century
By: Isaac Ehrlich.
Contributors: National Bureau of Economic Research.
Series: NBER working paper series -- no. 12868.; Working paper series (National Bureau of Economic Research) -- working paper no. 12868.
Publisher: National Bureau of Economic Research
Published: 2007
Place of publication: Cambridge, Mass
Language: eng
Number of pages: 18
Subjects: Endogenous growth (Economics) -- United States -- 20th century -- Econometric models; Human capital -- United States -- 20th century
Notes: "January 2007"

Includes bibliographical references (p. 17).

Also available in PDF from the NBER world wide web site (www.nber.org).