Introduction To Ratemaking And Loss Reserving For Property And Casualty Insurance Jun 2026

covers the two foundational actuarial functions in general insurance: establishing the price of a policy (Ratemaking) and estimating liabilities for claims that have already occurred but are not yet fully paid (Loss Reserving). 1. Fundamentals of Loss Reserving

| Aspect | Ratemaking | Loss Reserving | |--------|------------|----------------| | | Before policy effective date | After policy effective date | | Uncertainty | Future events (unknown losses) | Past events (partially known) | | Data | Historical + prospective | Historical development | | Regulatory focus | Rate adequacy, discrimination | Solvency, timely payment | | Actuarial standard | ASOP No. 12 (P&C Pricing) | ASOP No. 36 (Reserves) | covers the two foundational actuarial functions in general

Inadequate loss reserving can lead to:

Not all data is equally trustworthy. assigns a weight (Z, between 0 and 1) to the insurer’s own experience, with the complement (1-Z) going to a broader manual or industry table. 12 (P&C Pricing) | ASOP No

By understanding the concepts of ratemaking and loss reserving, P&C insurance companies can ensure that they are setting adequate premium rates and reserving sufficient funds to pay for future claims. This can help to ensure the long-term sustainability and profitability of the insurance company. By understanding the concepts of ratemaking and loss

Introduction to Ratemaking and Loss Reserving for Property and Casualty Insurance