← Search Journal of Finance Vol. 34 No. 3 1979 Testing for a Flat Spectrum on Efficient Market Price Data PETER D. PRAETZ Monash University DOI10.2307/2327432 Volume34 Issue3 Pages645 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 ✓