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A note on empirical Sharpe ratio dynamics

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  • Schuster, Martin
  • Auer, Benjamin R.
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    Abstract

    Generating a high positive excess return in a prospective period does not necessarily increase the empirical Sharpe ratio of an investment fund. Therefore, we derive a critical range in which prospective excess returns must lie in order to increase its empirical Sharpe ratio. We also give a formal statement of an excess return value within this critical range that leads to the maximum possible empirical Sharpe ratio in the prospective period.

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    File URL: http://www.sciencedirect.com/science/article/pii/S0165176512000456
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    Bibliographic Info

    Article provided by Elsevier in its journal Economics Letters.

    Volume (Year): 116 (2012)
    Issue (Month): 1 ()
    Pages: 124-128

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    Handle: RePEc:eee:ecolet:v:116:y:2012:i:1:p:124-128

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    Web page: http://www.elsevier.com/locate/ecolet

    Related research

    Keywords: Sharpe ratio; Estimator; Performance measurement; Manipulation;

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    References

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    1. William Goetzmann & Jonathan Ingersoll & Matthew Spiegel & Ivo Welch, 2002. "Portfolio Performance Manipulation and Manipulation-Proof Performance Measures," Yale School of Management Working Papers amz2471, Yale School of Management, revised 01 Apr 2006.
    2. William N. Goetzmann & Jonathan E. Ingersoll, Jr. & Matthew I. Spiegel & Ivo Welch, 2002. "Sharpening Sharpe Ratios," Yale School of Management Working Papers ysm29, Yale School of Management.
    3. Miller, Robert E. & Gehr, Adam K., 1978. "Sample Size Bias and Sharpe's Performance Measure: A Note," Journal of Financial and Quantitative Analysis, Cambridge University Press, vol. 13(05), pages 943-946, December.
    4. Meyer, Jack & Rasche, Robert H, 1992. "Sufficient Conditions for Expected Utility to Imply Mean-Standard Deviation Rankings: Empirical Evidence Concerning the Location and Scale Condition," Economic Journal, Royal Economic Society, vol. 102(410), pages 91-106, January.
    5. Yong Bao, 2009. "Estimation Risk-Adjusted Sharpe Ratio and Fund Performance Ranking under a General Return Distribution," Journal of Financial Econometrics, Society for Financial Econometrics, vol. 7(2), pages 152-173, Spring.
    6. Schuhmacher, Frank & Eling, Martin, 2011. "Sufficient conditions for expected utility to imply drawdown-based performance rankings," Journal of Banking & Finance, Elsevier, vol. 35(9), pages 2311-2318, September.
    7. Bao, Yong & Ullah, Aman, 2006. "Moments of the estimated Sharpe ratio when the observations are not IID," Finance Research Letters, Elsevier, vol. 3(1), pages 49-56, March.
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    Cited by:
    1. Auer, Benjamin R., 2014. "Should hedge funds be cautious reporting high returns?," Research in International Business and Finance, Elsevier, vol. 30(C), pages 195-201.
    2. Auer, Benjamin R. & Schuhmacher, Frank, 2013. "Performance hypothesis testing with the Sharpe ratio: The case of hedge funds," Finance Research Letters, Elsevier, vol. 10(4), pages 196-208.

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