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An idealized model of the investment process redefines the respective roles of security analysts and portfolio managers, quantifies such concepts as activity and aggressiveness, and explains how the individual analyst's efforts at forecasting returns translate into improved portfolio performance
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We present a general equilibrium model in which heterogeneous investors choose among bonds, stocks, and an Index Fund holding the market portfolio. We show that, under standard assumptions, an equilibrium exists. We then derive predictions for equilibrium asset prices, investor behavior, and...
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Robo-advisers enable investors to establish an automated rebalancing strategy for a portfolio usually consisting of stocks and bonds. Since households’ portfolios additionally include further frequently tradable assets like real estate funds, articles of great value and cash(-equivalents), we...
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The proposition that a prudent investor should be diversified is widely accepted if not incontrovertible for ordinary investors – investors who have no reasonable expectation of influencing company management or business policy. Indeed, fiduciary duty requires that trustees and other...
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This paper studies the apparent lack of value creation by Chilean equity mutual funds, emphasizing the role of their "investment styles" (obtained by combining multiple equity and fixed-income benchmarks, using Sharpe's (1992) technique) and their determinants. We also search for evidence...
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