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SPECTRAL METHODS FOR THE CALCULATION OF RISK MEASURES FOR VARIABLE ANNUITY GUARANTEED BENEFITS

Published online by Cambridge University Press:  10 June 2014

Runhuan Feng
Affiliation:
Department of Mathematics, University of Illinois at Urbana-Champaign E-mail: rfeng@illinois.edu
Hans W. Volkmer
Affiliation:
Department of Mathematical Sciences, University of Wisconsin - Milwaukee E-mail: volkmer@uwm.edu

Abstract

Spectral expansion techniques have been extensively exploited for the pricing of exotic options. In this paper, we present novel applications of spectral methods for the quantitative risk management of variable annuity guaranteed benefits such as guaranteed minimum maturity benefits and guaranteed minimum death benefits. The objective is to find efficient and accurate solution methods for the computation of risk measures, which is the key to determining risk-based capital according to regulatory requirements. Our example calculations show that two spectral methods used in this paper are highly efficient and numerically more stable than conventional known methods. Hence these approaches are more suitable for intensive calculations involving death benefits.

Type
Research Article
Copyright
Copyright © ASTIN Bulletin 2014 

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References

REFERENCES

Bacinello, A.R., Millossovich, P., Olivieri, A. and Pitacco, E. (2011) Variable annuities: A unifying valuation approach. Insurance: Mathematics and Economics, 49 (3), 285297.Google Scholar
Bauer, D., Kling, A. and Russ, J. (2008) A universal pricing framework for guaranteed minimum benefits in variable annuities. ASTIN Bulletin, 38 (2), 621651.CrossRefGoogle Scholar
Bell, F. and Miller, M. (2005). Life Tables for the United States Social Security Area. Social Security Administration Publications No. 11-11536.Google Scholar
Boyarchenko, N. and Levendorskiĭ, S. (2007) The eigenfunction expansion method in multi-factor quadratic term structure models. Mathematics Finance, 17 (4), 503539.CrossRefGoogle Scholar
Buchholz, H. (1953) Die konfluente hypergeometrische Funktion mit besonderer Berücksichtigung ihrer Anwendungen. Ergebnisse der angewandten Mathematik. Bd. 2. Springer-Verlag, Berlin.CrossRefGoogle Scholar
Chen, Z. and Forsyth, P.A. (2008) A numerical scheme for the impulse control formulation for pricing variable annuities with a guaranteed minimum withdrawal benefit (GMWB). Numer. Math., 109 (4), 535569.CrossRefGoogle Scholar
Dai, M., Kwok, Y.K. and Zong, J. (2008) Guaranteed minimum withdrawal benefit in variable annuities. Mathematical Finance, 18 (4), 595611.CrossRefGoogle Scholar
Davydov, D. and Linetsky, V. (2003) Pricing options on scalar diffusions: An eigenfunction expansion approach. Operations Research, 51 (2), 185209.CrossRefGoogle Scholar
Donati-Martin, C., Ghomrasni, R. and Yor, M. (2001) On certain Markov processes attached to exponential functionals of Brownian motion; application to Asian options. Revista Matemática Iberoamericana, 17 (1), 179193.CrossRefGoogle Scholar
Farr, I., Mueller, H., Scanlon, M. and Stronkhorst, S. (2008) Economic Capital for Life Insurance Companies. Schaumburg, IL: SOA Monograph.Google Scholar
Feng, R. (2014) A comparative study of risk measures for guaranteed minimum maturity benefits by a PDE method. North American Actuarial Journal, 18 (4), to appear.CrossRefGoogle Scholar
Feng, R. and Volkmer, H. (2012) Analytical calculation of risk measures for variable annuity guaranteed benefits. Insurance: Mathematics and Economics, 51 (3), 636648.Google Scholar
Feng, R. and Volkmer, H. (2013) An identity of hitting times and its application to the valuation of guaranteed minimum withdrawal benefit. Preprint.Google Scholar
Fouque, J.-P., Jaimungal, S. and Lorig, M.J. (2011) Spectral decomposition of option prices in fast mean-reverting stochastic volatility models. SIAM Journal on Financial Mathematics, 2, 665691.CrossRefGoogle Scholar
Gorski, L.M. and Brown, R.A. (2005) Recommended approach for setting regulatory risk-based capital requirements for variable annuities and similar products. Technical report, American Academy of Actuaries Life Capital Adequacy Subcommittee, Boston.Google Scholar
Jeanblanc, M., Yor, M. and Chesney, M. (2009) Mathematical Methods for Financial Markets. London: Springer Finance. Springer-Verlag London Ltd.CrossRefGoogle Scholar
Karatzas, I. and Shreve, S.E. (1991) Brownian Motion and Stochastic Calculus, 2nd ed. Graduate Texts in Mathematics, vol. 113. New York: Springer-Verlag.Google Scholar
Kyprianou, A.E. (2006) Introductory Lectures on Fluctuations of Lévy Processes with Applications. Berlin: Universitext. Springer-Verlag.Google Scholar
Lewis, A.L. (1998) Applications of eigenfunction expansions in continuous-time finance. Mathematical Finance, 8 (4), 349383.CrossRefGoogle Scholar
Linetsky, V. (2004a) The spectral decomposition of the option value. International Journal of Theoretical and Applied Finance, 7 (3), 337384.CrossRefGoogle Scholar
Linetsky, V. (2004b) Spectral expansions for Asian (average price) options. Operations Research, 52 (6), 856867.CrossRefGoogle Scholar
Milevsky, M.A. and Salisbury, T.S. (2006) Financial valuation of guaranteed minimum withdrawal benefits. Insurance: Mathematics and Economics, 38 (1), 2138.Google Scholar
Øksendal, B. (2003) Stochastic Differential Equations, 6th ed.Berlin: Universitext. Springer-Verlag. An introduction with applications.CrossRefGoogle Scholar
Olver, F.W.J., Lozier, D.W., Boisvert, R.F. and Clark, C.W. (eds.) (2010) NIST Handbook of Mathematical Functions. U.S. Department of Commerce National Institute of Standards and Technology, Washington, DC.Google Scholar
Piscopo, G. and Haberman, S. (2011) The valuation of guaranteed lifelong withdrawal benefit options in variable annuity contracts and the impact of mortality risk. North American Actuarial Journal, 15 (1), 5976.CrossRefGoogle Scholar
Yor, M. (1992) On some exponential functionals of Brownian motion. Advances in Applied Probability, 24 (3), 509531.CrossRefGoogle Scholar