Abstract:This paper examines the variational form of classical portfolio strategy and expected terminal wealth for a Pension Plan Member (PPM) in a Defined Contribution (DC) Pension scheme. The flows of contributions made by PPM are invested into a market that is characterized by a cash account and a stock. It was assumed that the growth rate of salary of PPM is a linear function of time. The present value of PPM’s future contribution process was obtained. The optimal portfolio processes with inter-temporal hedging ter… Show more
“…There have been many studies on the maximization of expected utility of terminal wealth of PPMs in the accumulation phase of defined contribution pension schemes. See, for example, [7,14,4,2,5,9,11,10,8,16,17,18].…”
This paper aim at studying a mean-variance portfolio selection problem with stochastic salary, proportional administrative costs and taxation in the accumulation phase of a defined contribution (DC) pension scheme. The fund process is subjected to taxation while the contribution of the pension plan member (PPM) is tax exempt. It is assumed that the flow of contributions of a PPM are invested into a market that is characterized by a cash account and a stock. The optimal portfolio processes and expected wealth for the PPM are established. The efficient and parabolic frontiers of a PPM portfolios in mean-variance are obtained. It was found that capital market line can be attained when initial fund and the contribution rate are zero. It was also found that the optimal portfolio process involved an inter-temporal hedging term that will offset any shocks to the stochastic salary of the PPM.
“…There have been many studies on the maximization of expected utility of terminal wealth of PPMs in the accumulation phase of defined contribution pension schemes. See, for example, [7,14,4,2,5,9,11,10,8,16,17,18].…”
This paper aim at studying a mean-variance portfolio selection problem with stochastic salary, proportional administrative costs and taxation in the accumulation phase of a defined contribution (DC) pension scheme. The fund process is subjected to taxation while the contribution of the pension plan member (PPM) is tax exempt. It is assumed that the flow of contributions of a PPM are invested into a market that is characterized by a cash account and a stock. The optimal portfolio processes and expected wealth for the PPM are established. The efficient and parabolic frontiers of a PPM portfolios in mean-variance are obtained. It was found that capital market line can be attained when initial fund and the contribution rate are zero. It was also found that the optimal portfolio process involved an inter-temporal hedging term that will offset any shocks to the stochastic salary of the PPM.
“…[11,12] studied the optimal portfolio and strategic lifecycle consumption process in a defined contributory pension plan. This work is an extension of [13]. [13] studied the OVMP process of a PPM.…”
Section: Introductionmentioning
confidence: 99%
“…This work is an extension of [13]. [13] studied the OVMP process of a PPM. In this paper, we introduce additional underlying asset, which is the inflation-linked bond that will protect the investment against inflation risks in the investment profile.…”
This paper examines optimal variational Merton portfolios (OVMP) with inflation protection strategy for a defined contribution (DC) Pension scheme. The mean and variance of the expected value of wealth for a pension plan member (PPM) are also considered in this paper. The financial market is composed of a cash account, inflation-linked bond and stock. The effective salary of the plan member is assumed to be stochastic. It was assumed that the growth rate of PPM's salary depends on some macroeconomic factors over time. The present value of PPM's future contribution was obtained. The sensitivity analysis of the present value of the contribution was established. The OVMP processes with inter-temporal hedging terms and inflation protection that offset any shocks to the stochastic salary of a PPM were established. The expected values of PPM's terminal wealth, variance and efficient frontier of the three classes of assets are obtained. The efficient frontier was found to be nonlinear and parabolic in shape. In this paper, we allow the stock price to be correlated to inflation risk index, and the effective salary of the PPM is correlated to inflation and stock risks. This will enable PPMs to determine extents of the stock market returns and risks, which can influence their contributions to the scheme.
“…[20] considered optimal portfolio management of the accumulation phase of a defined contributory pension scheme. [21] studied a variational form of classical portfolio strategy and expected wealth for a defined contributory pension scheme.…”
This paper examines a mean-variance portfolio selection problem with stochastic salary and inflation protection strategy in the accumulation phase of a defined contribution (DC) pension plan. The utility function is assumed to be quadratic. It was assumed that the flow of contributions made by the pension plan members (PPMs) are invested into a market that is characterized by a cash account, an inflation-linked bond and a stock. In this paper, inflation-linked bond is traded and used to hedge inflation risks associated with the investment. The aim of this paper is to maximize the expected final wealth and minimize its variance. Efficient frontier for the three classes of assets that will enable PPMs to decide their own wealth and risk in their investment profile at retirement was obtained. The efficient frontier was found to be parabolic in shape, due to the present of initial capital and the existence of stochastic contributions of the PPM. Some numerical illustration of the analytical results are established in this paper.
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