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1 results

  • Forecasting age distribution of death counts: an application to annuity pricing

  • Han Lin Shang, Steven Haberman
  • Journal:
    Annals of Actuarial Science / Volume 14 / Issue 1 / March 2020
    Published online by Cambridge University Press:
    17 September 2019, pp. 150-169

  • We consider a compositional data analysis approach to forecasting the age distribution of death counts. Using the age-specific period life-table death counts in Australia obtained from the Human Mortality Database, the compositional data analysis approach produces more accurate 1- to 20-step-ahead point and interval forecasts than Lee–Carter method, Hyndman–Ullah method and two naïve random walk methods. The improved forecast accuracy of period life-table death counts is of great interest to demographers for estimating survival probabilities and life expectancy, and to actuaries for determining temporary annuity prices for various ages and maturities. Although we focus on temporary annuity prices, we consider long-term contracts that make the annuity almost lifetime, in particular when the age at entry is sufficiently high.