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A Note on Portfolio Selection under Various Risk Measures

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Author Info
Enrico De Giorgi

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Abstract

This work gives a brief overview of the portfolio selection problem following the mean-risk approach first proposed by Markowitz (1952). We consider various risk measures, i.e. variance, value-at-risk and expected-shortfall and we study the efficient frontiers obtained by solving the portfolio selection problem under these measures. We show that under the assumption that returns are normally distributed, the efficient frontiers obtained by taking value-at-risk or expected-shortfall are subsets of the mean-variance efficient frontier. We generalize this result for all risk measures that can be written as a particular combination of mean and variance and we show that for these measures Tobin separation holds under some restrictions.

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Paper provided by Institute for Empirical Research in Economics - IEW in its series IEW - Working Papers with number iewwp122.

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Handle: RePEc:zur:iewwpx:122

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Related research
Keywords: decision under risk mean-risk models portfolio optimization value-at-risk expected shortfall efficient frontier

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G11 - Financial Economics - - General Financial Markets - - - Portfolio Choice; Investment Decisions

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  1. Bruno S. Frey & Stephan Meier, . "Pro-Social Behavior, Reciprocity or Both?," IEW - Working Papers iewwp107, Institute for Empirical Research in Economics - IEW. [Downloadable!]
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  2. Alois Stutzer, . "The Role of Income Aspirations in Individual Happiness," IEW - Working Papers iewwp124, Institute for Empirical Research in Economics - IEW. [Downloadable!]
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  3. Lars Feld & Bruno Frey, 2000. "Trust Breeds Trust: How Taxpayers are Treated," CESifo Working Paper Series CESifo Working Paper No. , CESifo GmbH. [Downloadable!]
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  4. Bruno Frey & Stephan Meier, 2005. "Selfish and Indoctrinated Economists?," European Journal of Law and Economics, Springer, vol. 19(2), pages 165-171, April. [Downloadable!] (restricted)
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  5. Rafael Lalive & Jan C. van Ours & Josef Zweimüller, 2005. "The Effect Of Benefit Sanctions On The Duration Of Unemployment," Journal of the European Economic Association, MIT Press, vol. 3(6), pages 1386-1417, December. [Downloadable!] (restricted)
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  6. Fehr, Ernst & Klein, Alexander & Schmidt, Klaus M., 2001. "Fairness, Incentives and Contractual Incompleteness," CEPR Discussion Papers 2790, C.E.P.R. Discussion Papers. [Downloadable!] (restricted)
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  7. Bruno Frey & Alois Stutzer, 2001. "Beyond Bentham -- Measuring Procedural Utility," CESifo Working Paper Series CESifo Working Paper No. , CESifo GmbH. [Downloadable!]
  8. Rabah Amir & Igor V. Evstigneev & Thorsten Hens & Klaus Reiner Schenk-Hoppé, . "Market Selection and Survival of Investment Strategies," IEW - Working Papers iewwp091, Institute for Empirical Research in Economics - IEW. [Downloadable!]
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  9. Bruno Frey, 2001. "Flexible Citizenship for a Global Society," Berkeley Olin Program in Law & Economics, Working Paper Series 1018, Berkeley Olin Program in Law & Economics. [Downloadable!]
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