Measuring The Investment Risk and Using Annuities to Determine The Expected Liability of Pension Funds:A case study of the Social Security and National Insurance Trust (SSNIT)
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Date
May 13, 2016
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Abstract
Effective management of investment risk is essential for every institution which is exposed
to investment risk. Pension funds in Ghana are especially exposed to investment risk due
to increasing investment risk factors exposed to the market. Pension fund exist to provide
benefits to its members, therefore members are mainly concerned with losses as far as it
decreases the value of their benefits. These losses usually occur as a result of the pension
fund investing in the financial market and portfolio mismatching, which makes the tradeoff
between risk and return a topic that most pension fund (investors) must consider carefully
before an investment decision is made. The study uses the concept and methodology of the
“value at risk" risk measure which is a tool for measuring an entity’s exposure to market risk,
to determine the maximum loss of the investment portfolio of SSNIT on the Ghana capital
market. The maximum loss of the scheme’s investment is quantified under the variancecovariance
method of computing value-at-risk using an implementation of portfolio consisting
of twenty-three stocks for 30 time interval with the confidence level of 95%, 99% and 90%.The
study further used the whole life annuity model with mortality data to determine the expected
liability to be paid by the fund to its members. Based on the normality of the distribution
of the portfolio risk factors at 95% confidence level,the maximum loss of SSNIT is quantified
under the 95% confidence level.
Description
A thesis submitted to the department of mathematics,
Kwame Nkrumah University of Science and Technology in
partial fufillment of the requirements for the degree of
MSc. Actuarial Science
, 2016.