← Search American Economic Review 1971 Program Duplication, Diversity, and Effectve Viewer Choices: Some Empirical Findings Harvey J. Levin 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 ✓