26. Assume that broad stock market indices, such as the S&P 500, are not good surrogates for...
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26. Assume that broad stock market indices, such as the S&P 500, are not good surrogates for the "true" market portfolio. What potential problems does this cause for performance evaluation using the ex post alpha measure?
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Investments
ISBN: 9788120321014
6th Edition
Authors: William F. Sharpe, Gordon J. Alexander, Jeffery V. Bailey
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