Random Fluctuation risk

Discussion in 'SP2' started by Mohit Gulati, Feb 26, 2023.

  1. Mohit Gulati

    Mohit Gulati Active Member

    Can anyone tell me what is the meaning of Random fluctuation risk
    in chapter 10 of SP2

    where it says the 3 risk in mortality assumptions
    1) Model risk
    2) Parameter risk
    3) Random fluctuation risk
     
  2. Mark Willder

    Mark Willder ActEd Tutor Staff Member

    Hi Mohit

    An example might help. Imagine that the mortality rate for the first year of a contract has been correctly modelled as 0.11. Each year the company sells 100 contracts. So they expect 11 deaths each year. However, the actual experience will be random and so in some years they may have 9 or 10 deaths and in other years 12 or 13 deaths. This is random fluctuation risk.

    Best wishes

    Mark
     

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