← Search Journal of Political Economy Vol. 27 No. 6 1919 The American Automatic Tool Ernest F. Lloyd DOI10.1086/253194 Volume27 Issue6 Pages457-465 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 ✓