Media type: E-Article Title: The Production of Human Capital Over Time Contributor: Ritzen, Jozef M.; Winkler, Donald R. imprint: JSTOR, 1977 Published in: The Review of Economics and Statistics Language: Not determined DOI: 10.2307/1928707 ISSN: 0034-6535 Keywords: Economics and Econometrics ; Social Sciences (miscellaneous) Origination: Footnote: