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Disagreement about stock valuation, combined with short-sales constraints, can increase asset prices. We build a model showing that, so long as investor beliefs are not perfectly correlated, investors will disagree less about the value of a conglomerate than about each of its individual...
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In this paper, we re-examine investors' diversification attitude in the mean-variance model from the perspective of … Markowitz (1952)'s principle of diversification. Our analysis is based on the diversification returns, the specific Markowitz … (1952)'s principle of diversification measure in the mean-variance model. We show, regardless of whether or not the risk …
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In this paper we consider the question of how to improve the efficacy of strategies designed to capture factor premiums in equity markets and, in particular, from the value, quality, low risk and momentum factors. We consider a number of portfolio construction approaches designed to capture...
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diversification's impact on the serial correlation of analyst forecast errors and its associated drift is significantly reduced after …
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