Assemble run-off triangles for losses, claim counts, and ALAE, and read the development patterns they show.
Free CAS Exam 5 (Basic Ratemaking and Reserving) lesson in Estimating Claim Liabilities. 19 min read, ~2,915 words.
A run-off triangle arrays experience by origin period (rows) and development age (columns); each row matures left to right. Rows are usually accident years; columns are ages like 12, 24, 36 months; the latest diagonal is the most recent valuation. A diagonal is one calendar (valuation) date; moving down-right one...
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What this lesson covers
- Content
- Example 1
- Example 2
- Example 3
- Common Mistakes
- Check Your Understanding
- Exam Shortcuts
Learning objectives
- B6
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