Question: Basic Ratemaking, Loss Development. CAS E5. Actuarial Science. Show all works and steps and explanation. 1. Use the paid claims development method to estimate the
Basic Ratemaking, Loss Development. CAS E5. Actuarial Science. Show all works and steps and explanation.


1. Use the paid claims development method to estimate the ultimate loss for accident years 2017, 2018 and 2019. Explain the rationale for your selection of development factors. (You may assume that all claims are closed within 120 months.) This data is for personal automobile liability claims. 2. The next set of data is for reinsurance claims. These claims are the ceded portion of losses from many different insurers. Terms of the reinsurance treaties vary between insurers and both terms and ceding companies may vary between years. In other words, this is not the ideal data set for the development method. 20192063 a) Estimate ultimate loss for accident years 2010 through 2019. Assume development factor from 120 Ult is 1.05 . b) Can you quantify a range for the IBNR reserve for accident year 2019? (bonus question)
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