← Search Journal of Marketing 1949 Advertising Ratios Planned by Large-Scale Advertisers Roy W. Jastram University of California, Berkeley DOI10.2307/1247168 Sources semanticscholar 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 ✓