← Search Journal of Marketing 1942 Report of Sub-Committee on Descriptive Classification of Income Levels DOI10.1177/002224294200600407 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 ✓