Actuarial Science
The mathematics of insurance risk: pricing, reserving, and measuring the probability of solvency.
Overview
Actuaries combine probability, statistics, and financial mathematics, credentialed through exam systems such as the Society of Actuaries and Casualty Actuarial Society, with associateship and fellowship taking years of testing and experience credits. Mortality tables set valuation floors for life reserves, and reserving methods such as chain ladder development estimate unpaid claims from historical patterns. Credibility theory blends individual experience with class averages, and catastrophe models simulate storm and quake scenarios for pricing and reinsurance buying. Loss trends, severity inflation, and regulatory filings thread through the work. Professional codes bind actuaries to the public as well as employers, and their signoffs accompany rate filings and reserve opinions that regulators rely on.
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