← Search American Economic Review Vol. 71 No. 1 1981 An Explanation for the Correlation of Stocks of Nonhuman Capital with Investment in Human Capital John W. Graham Volume71 Issue1 Pages248-255 Sources bibtex:phds-export.bib Cite APA 7 MLA 9 Chicago (author–date) Harvard Elsevier Harvard (JFE, JBF…) The Accounting Review Academy of Management American Marketing Association INFORMS (Management Science) Copy citation Copied ✓