← Search Econometrica Vol. 21 No. 1 1953 Schumpeter Social Scientist Johan Åkerman; Steven Edward Harris DOI10.2307/1906958 Volume21 Issue1 Pages200 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 ✓