← Search Journal of Political Economy Vol. 29 No. 5 1921 Addendum Charles O. Hardy DOI10.1086/253355 Volume29 Issue5 Pages394-399 Languageen Sources semanticscholar openalex crossref 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 ✓