[[Actuarial Notes Wiki|Wiki]] / [[Exam 5 (CAS)]] / **Inflationary Environment**
## Definition
==Inflationary Environment== refers to the economic conditions of rising prices that systematically increase claim costs over time, requiring adjustment of historical data and development patterns.
## Types of Inflation Affecting Claims
- General price inflation (CPI)
- Medical cost inflation
- Wage inflation
- Social inflation (legal costs, jury awards)
- Repair/replacement cost inflation
## Impact on Reserving
```
High inflation requires:
- Higher development factors
- Larger tail factors
- More aggressive trending
- Careful selection of expected inflation
```
## Adjustments
- Apply trend factors
- Update development patterns
- Consider current inflation outlook
- May need to modify historical patterns
## Related Concepts
- [[Loss Trend#Definition]]
- [[Trend#Definition]]
## References
- Friedland, Chapter 1