The weak form of the efficient market hypothesis says that historical stock prices cannot be used to

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The “weak form” of the efficient market hypothesis says that historical stock prices cannot be used to earn abnormal profits—that is, stock prices move randomly. Go to the library, collect 30 days of indexes from the Dow Jones Industrial Average, and use a number-of-runs test to test whether these indexes move randomly at a 10 percent level of significance.

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Statistics For Business And Financial Economics

ISBN: 9781461458975

3rd Edition

Authors: Cheng Few Lee , John C Lee , Alice C Lee

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