[[Actuarial Notes Wiki|Wiki]] / [[Exam 5 (CAS)]] / **Settlement Rate**
## Definition
==Settlement Rate== is the speed at which reported claims are closed or settled, measured as the percentage of claims closed by a given age or the average time to closure.
## Measurement
```
Closure Rate = Closed Claims / Reported Claims
Average Settlement Time = Σ(Days to Close) / Number of Claims
```
## Importance
- Affects development patterns
- Changes impact reserve projections
- Faster settlement → Lower IBNR
- Slower settlement → Higher IBNR
## Factors Affecting
- Claims department staffing
- Settlement authority levels
- Legal environment
- Operational changes
- Economic conditions
## Related Concepts
- [[Claims Processing Changes#Definition]]
- [[Development Factor#Definition]]
## References
- Friedland, Chapter 1