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?