Exam ASTAM – Advanced Short-Term Actuarial Mathematics

6 sections available · 25 chapters available

Free Exam ASTAM – Advanced Short-Term Actuarial Mathematics study notes for SOA (Society of Actuaries) students. Each chapter covers a key topic with examples and practice prompts you can continue inside the thinka app.

Severity Models

  • Effects of parameters on distributions

  • Creating new distributions: multiplication, powers, exponentiation, mixing, and splicing

  • Characteristics of severity distributions

  • Comparing distribution tails

  • Generalized Extreme Value and Generalized Pareto distributions

  • Applying GEV and GPD to tail risk estimation

Aggregate Models

  • Convolution and recursive formulas for aggregate claims

  • Discretizing continuous distributions: rounding and local moment matching

  • Sums of compound Poisson models

Coverage Modifications

  • Effects of coverage modifications: deductibles, limits, coinsurance, and stop loss

  • Loss elimination ratios, increased limits factors, and deductible factors

  • Effects of inflation on losses

Construction and Selection of Parametric Models

  • Maximum likelihood estimation for frequency and severity distributions

  • Variance of estimators and confidence intervals

  • The delta method

  • Bayesian estimation

  • Model selection: graphical procedures, hypothesis tests, and score-based criteria

Credibility

  • Bayesian (greatest accuracy) credibility

  • Bühlmann and Bühlmann-Straub models

  • Empirical Bayesian estimation: nonparametric and semiparametric cases

Reserving and Pricing for Short-Term Insurance Coverages

  • Estimating outstanding claims: Expected Loss Ratio, Chain-Ladder, Bornhuetter-Ferguson, Bayesian, and Frequency-Severity

  • Statistical reserving models: Mack's, Poisson, and Overdispersed Poisson

  • Projected losses using trend analysis

  • Overall average rates and rate changes: loss cost and loss ratio methods

  • Risk classification differential changes, including balancing back

Put These Notes into Practice

Reading the notes is a great start. Now practise with unlimited AI-generated questions and get instant feedback. 100,000+ students are already improving their grades.

Done reading? Test yourself with AI practice questions

Practise This Topic Now