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<h2 class="hd hd-2 unit-title">The Conundrum</h2>
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<h2 class="hd hd-2 unit-title">Origins of the Random Walk</h2>
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<h2 class="hd hd-2 unit-title">Interactive: Random Walks</h2>
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<p style="text-align: left;">The interactive graph below allows you to simulate random walks. To use it, please specify the drift of the random walk, as well as its standard deviation (i.e., volatility). You can also choose the number of random walks you would like to generate.</p>
<p style="text-align: left;">What is the impact of the drift on the random walk? What about the impact of a volatility increase?</p>
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<h2 class="hd hd-2 unit-title">Ungraded Exercise: Random Walks</h2>
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Ungraded Exercise: Random Walks
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<div class="wrapper-problem-response" tabindex="-1" aria-label="Question 1" role="group"><p>If stock market prices evolve according to a random walk, then investors cannot earn a positive rate of return by investing in the stock market.</p>
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<h2 class="hd hd-2 unit-title">The Random Walk Hypothesis</h2>
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<h2 class="hd hd-2 unit-title">Ungraded Exercise: The Random Walk Hypothesis</h2>
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Ungraded Exercise: The Random Walk Hypothesis
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<div class="wrapper-problem-response" tabindex="-1" aria-label="Question 1" role="group"><p>If stock market prices evolve according to a random walk, then changes in prices will be uncorrelated.</p>
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<h2 class="hd hd-2 unit-title">Classical Tests of the Random Walk</h2>
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<h2 class="hd hd-2 unit-title">Technical Analysis</h2>
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<h3 class="hd hd-2">Technical Analysis </h3>
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<h2 class="hd hd-2 unit-title">Does Technical Analysis Work?</h2>
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<h3 class="hd hd-2">Does Technical Analysis Work? </h3>
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<h2 class="hd hd-2 unit-title">Q&A on Technical Analysis</h2>
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<h3 class="hd hd-2">Q&A on Technical Analysis </h3>
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