← Search American Economic Review 1992 Stock Price Volatility: Tests Based on the Geometric Random Walk Stephen F. LeRoy; William R. Parke Abstract economic models ; financial market ; tests 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 ✓