Immunization of Pension Funds and Sensitivity to Actuarial Assumptions: Comment

A 1980 article by Keintz and Stickney outlined a bond duration method for immunizing pension plans from market rate risk. Unexpected alterations in market rates cause offsetting changes in pension assets and liabilities. They employed Macaulay's bond duration formula to demonstrate how these op...

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Veröffentlicht in:The Journal of risk and insurance 1981-03, Vol.48 (1), p.148-153
1. Verfasser: Thompson, A. Frank
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container_title The Journal of risk and insurance
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creator Thompson, A. Frank
description A 1980 article by Keintz and Stickney outlined a bond duration method for immunizing pension plans from market rate risk. Unexpected alterations in market rates cause offsetting changes in pension assets and liabilities. They employed Macaulay's bond duration formula to demonstrate how these opposing balance-sheet changes may protect a plan from random market rate movements. Keintz and Stickney, however, failed to point out that some pension plans may desire to invest in corporate bonds where call features could alter maturity structure unexpectedly. In addition to original purchase at premium or discount, bond duration also varies with redemption value and with the time period before the call takes place. Callable issues can be purchased while retaining some of the benefits of duration. Bonds with call periods in the far future and substantially higher yields than non-callable issues give durations which approximate fixed maturity bonds. Purchase of such instruments should allow a fund to diversify into corporate bonds without creating undue uncertainty as to duration.
doi_str_mv 10.2307/252658
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identifier ISSN: 0022-4367
ispartof The Journal of risk and insurance, 1981-03, Vol.48 (1), p.148-153
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language eng
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source Business Source Complete; JSTOR
subjects Bonds
Business holdings
Business risks
Callable securities
Communications & Notes
Corporate bonds
Discount rates
Employee turnover
Financial instruments
Immunization
Interest rates
Investment return rates
Investments
Investors
Liability
Maturity
Pension funds
Pension liabilities
Pension plans
Rates of return
Risk
Yield
title Immunization of Pension Funds and Sensitivity to Actuarial Assumptions: Comment
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