A company can examine its entire portfolio by "Policies in Force" (PIF) to review and compare it to the marketplace. Load in a new rate book to see reality forecast displacement before it is filed with regulators and becomes available.
Broker Rehabilitation
Before an insurance company cancels a particular brokerage, it can easily get a better understanding of the brokerage PIF by PIF, which allows a more pragmatic, empirically-driven approach to dealing with brokerages.