GLMs in Commercial Property – any good reads?

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  • #5301
    Talleyrand19
    Participant

    I’ve done a GLM for Auto in the past – life was easy, plenty of exposures, clear variables, and good data. But Commercial Property is a different beast; for exposures it has the whole “per TIV” thing while the TIV amount is also a variable. I get why CP is rated how it is conceptually, but modeling-wise – not sure where to start with a GLM.

    Are there any good papers/reads that specifically tackle modeling and GLM rating in Commercial Property?

    #5333
    SamCastillo
    Participant

    The exposure that you choose will make a big difference.  There are more potential variables than in life or health and so you need to use a variable selection algorithm.

    Take a look at our Free Exam PA study guide at Exam PA Dot Net without spaces.  This provides a conceptional overview for GLMs.  For property, read this paper that was published by the CAS: https://contentpreview.s3.us-east-2.amazonaws.com/CAS+Monograph+5+-+Generalized+Linear+Models+for+Insurance+Ratemaking.pdf

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