Apply Buhlmann and Buhlmann-Straub models and understand their relationship to Bayesian models.

Free SOA Exam ASTAM (Advanced Short-Term Actuarial Mathematics) lesson in Credibility. 36 min read, ~5,353 words.

Buhlmann credibility:, with. Credibility premium:, a convex combination of sample and collective. Buhlmann-Straub: with exposures, and where is EPV per unit exposure. Bayes link: Buhlmann is the least-squares linear approximation to the Bayesian premium. Exact equality with Bayes when the conditional model is linear exponential family with conjugate prior (Poisson-Gamma...

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