← Search American Economic Review 1973 Classical Production Functions, Technical Optimality, and Scale Adjustments of the Firms Dale B. Truett; Blaine Roberts Sources openalex 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 ✓