← Search Econometrica Vol. 35 No. 3/4 1967 A Test for the Product Life Cycle Klaus Brockhoff DOI10.2307/1905649 Volume35 Issue3/4 Pages472 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 ✓