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28
Pricing Multiple Lines of Business and Risks
Throughout Section III, we have assumed that we were pricing a risk (e.g. employers’
liability) that could be described by a single collective risk model – that is, by the combi-
nation of a single frequency model and a single severity model. However, there are many
common situations in which a single collective risk model is insufcient: this may happen
if, for example, a particular policy covers different risks at the same time – say, property
damage and business interruption, with different policy exclusions (such as deductibles)
applying to the different risks. Section 28.1 will illustrate ...