1. bookVolume 59 (2021): Issue 2 (June 2021)
Journal Details
License
Format
Journal
eISSN
2217-3668
First Published
15 Apr 2014
Publication timeframe
4 times per year
Languages
English
access type Open Access

Modelling Development of Voluntary Pension Fund Using Mathematical Model of Approximation with Lagrange Interpolation Polynomials

Published Online: 14 Dec 2021
Volume & Issue: Volume 59 (2021) - Issue 2 (June 2021)
Page range: 243 - 257
Received: 26 Jan 2021
Accepted: 28 Apr 2021
Journal Details
License
Format
Journal
eISSN
2217-3668
First Published
15 Apr 2014
Publication timeframe
4 times per year
Languages
English
Abstract

Corporate social responsibility (CSR), as a concept that tackles economic, The introduction of private pension funds is the essence of the reform of the pension system in Serbia. Private pension funds in Serbia are based on voluntary benefits. Thus, the functioning of the pension system takes place in three interconnected processes: payments to a voluntary pension fund, investment of free funds, and ultimately programmed payments – pensions. The stability in the voluntary pension funds and the predictability of payments allow the quality of investment portfolio to be formed and achieve a long-term yield of investment. In this paper, we implement a well-known approximation method of Lagrange polynomial interpolation. We use it in order to find appropriate mathematical model for prediction of the number of fund members and the average salary in Serbia. This calculation is based on data (average salaries and fund member) from the last five years, i.e. from the period 2015-2019. We calculated the exact mathematical formula, then we compared the results and predictions obtained with that formula and with the formula from one of our previous works. In keeping with that, the appropriate conclusions were given..

Keywords

JEL Classification

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