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Global Asset Return in Pension Funds: a dynamical risk analysis

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  • Sergio, Bianchi
  • Alessandro, Trudda

Abstract

The aim of the paper is to develop a technique for rebalancing pension fund portfolios in function of their pointwise level of risk. The performance of pension funds is often measured by their global asset returns because of the latter’s influence on periodic contributions and/or future benefits. However, in periods of market crisis attention is focused on the risk level given their social security (and not speculative) function. We describe the process of the global asset return by a multifractional Brownian motion using the function H(t) to detect high or low volatility phases. A procedure is carried out to balance the asset composition when the established local degree of risk is exceeded. The application is carried out on portfolios obtained in accordance with Italian regulations regarding investment limits.

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Bibliographic Info

Paper provided by University Library of Munich, Germany in its series MPRA Paper with number 12011.

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Date of creation: 25 May 2008
Date of revision: 14 Jun 2008
Handle: RePEc:pra:mprapa:12011

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Keywords: Pension Funds; risk control; multifractional Brownian motion;

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References

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  1. Jacob A. Bikker & Dirk W.G.A. Broeders & Jan de Dreu, 2007. "Stock market performance and pension fund investment policy: rebalancing, free float, or market timing?," DNB Working Papers 154, Netherlands Central Bank, Research Department.
  2. Fiona Stewart, 2007. "Pension Fund Investment in Hedge Funds," OECD Working Papers on Insurance and Private Pensions 12, OECD Publishing.
  3. Sergio Bianchi, 2005. "Pathwise Identification Of The Memory Function Of Multifractional Brownian Motion With Application To Finance," International Journal of Theoretical and Applied Finance (IJTAF), World Scientific Publishing Co. Pte. Ltd., vol. 8(02), pages 255-281.
  4. Haberman, Steven & Sung, Joo-Ho, 1994. "Dynamic approaches to pension funding," Insurance: Mathematics and Economics, Elsevier, vol. 15(2-3), pages 151-162, December.
  5. Fisher, Lawrence & Weil, Roman L, 1971. "Coping with the Risk of Interest-Rate Fluctuations: Returns to Bondholders from Naive and Optimal Strategies," The Journal of Business, University of Chicago Press, vol. 44(4), pages 408-31, October.
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Cited by:
  1. M. Cadoni & R. Melis & A. Trudda, 2012. "Financial crisis: a new measure for risk of pension funds assets," Working Paper CRENoS 201231, Centre for North South Economic Research, University of Cagliari and Sassari, Sardinia.

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