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OPTIMAL LIFE-CYCLE INVESTMENT STRATEGY IN LITHUANIAN SECOND PENSION PILLAR

Teodoras Medaiskis (), Tadas Gudaitis () and Jaroslav Me?kovski ()
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Teodoras Medaiskis: Vilnius University
Tadas Gudaitis: Vilnius University
Jaroslav Me?kovski: Vilnius University

International Journal of Economic Sciences, 2018, vol. 7, issue 2, 70-86

Abstract: The proposition to introduce life-cycle investment strategy as a default option in second pension pillar in Lithuania is currently being intensely discussed as a measure to solve the problems of the irrational behaviour of pension fund participants. The latest analysis has shown that the majority of participants have selected an inappropriate pension fund (investment strategy and investment risk) while evaluating the accumulation period that they have left till the retirement. Moreover, most of them are not active and do not change the pension fund during accumulation period. The life-cycle investment strategy allows participants to switch automatically and gradually from one asset allocation to another as they get closer to retirement. Therefore, such dynamic asset allocation must have a strong analytical foundation. The goal of the study is to evaluate the optimal life-cycle investment strategy in the Lithuanian second pension pillar. In order to achieve this goal, the authors prepared a quantitatively calibrated model that closely follows such works as Cocco et al. (2005), Bagliano et al. (2009) and Blake et al. (2008). The model takes into account the specifics of the Lithuanian market such as contribution rates, the investment performance of pension funds, and participant?s labour income process. In this paper, the authors use the optimization problem, where participant?s utility is maximized only by the selected investment strategy (without consumption). The results show that from the beginning of accumulation period (the age of 20) till the age of approximately 42 years it is most rational to invest a high proportion of participant?s pension assets into equities. Then optimal asset allocation is gradually switching from equities to less risky assets (e.g. government bonds) as the retirement age (65) approaches, where only 19 per cent of assets are invested into equities. The paper consists of three main parts: literature review, the explanation of the model and calibrated parameters that were used to evaluate the optimal life-cycle investment strategy, and main simulation results, including benchmark and sensitivity analysis.

Keywords: Pension funds; life-cycle investment; investment strategy. (search for similar items in EconPapers)
JEL-codes: D14 G11 J32 (search for similar items in EconPapers)
Date: 2018
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