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Articles 31 - 34 of 34
Full-Text Articles in Business
Dynamic Immunization And Transaction Costs With Different Term Structure Models, Eliseo Navarro, Juan M. Nave
Dynamic Immunization And Transaction Costs With Different Term Structure Models, Eliseo Navarro, Juan M. Nave
Journal of Actuarial Practice (1993-2006)
A bond portfolio selection model is developed in a dynamic framework using different term structures, but without transactions costs. We show that the optimal portfolios are consistent with Khang's dynamic immunization theorem, i.e., the optimal path consists of making portfolio duration equal to the investor's horizon planning period. The model is then extended to include transaction costs. The resulting optimal portfolios are no longer consistent with Khang's dynamic immunization theorem. In fact, the strategy for constructing the optimal portfolio consists of initially choosing a portfolio with a duration that is smaller than the horizon planning period.
Asset Allocation In Investing To Meet Liabilities, Anthony Dardis, Vinh Loi Huynh
Asset Allocation In Investing To Meet Liabilities, Anthony Dardis, Vinh Loi Huynh
Journal of Actuarial Practice (1993-2006)
We present some rudimentary concepts on asset/liability management and describe an approach to asset allocation modeling for institutions that invest to meet liabilities. The traditional risk/reward framework of financial economics is used as a starting pOint. The definitions of risk and reward are then refined with regard to the institution under consideration. A simple model of a U.S. life office is examined. We assume that the only investments available are domestic stocks and long-dated government bonds. Stochastic simulation is used to create a large number of future investment scenarios using historical total return data for these asset classes. The ability …
Actuarial Conservatism: Not In Public Sector Defined Benefit Pension Plans, Brian A. Jones
Actuarial Conservatism: Not In Public Sector Defined Benefit Pension Plans, Brian A. Jones
Journal of Actuarial Practice (1993-2006)
Most actuaries tend to be conservative, and most, including this writer, probably would be happy to be so categorized. But actuarial conservatism may not be the best rule in defined benefit public sector pension plans. This paper argues that it is not appropriate for actuaries to employ conservatism assumptions in such public sector plans.
A Critique Of Defined Contribution Plans Using A Simulation Approach, David M. Knox
A Critique Of Defined Contribution Plans Using A Simulation Approach, David M. Knox
Journal of Actuarial Practice (1993-2006)
During the 1980s there was a trend in many countries away from defined benefit plans toward defined contribution plans. This development means that the individual member bears the full investment risk in the preretirement period and the annuity rate risk at retirement, as no pension benefit (expressed as a percentage of salary) is provided. This paper, through the use of a stochastic model for both inflation and a range of investment returns, analyses the distribution of retirement incomes that will be produced from a defined contribution plan. The impacts of changing entry and exit ages, different investment strategies, alternative career …