What could fighting inflation cause if it is not successful?
Options:
- problems
- not noticeable
- deflation
- economic instability
- eat cake
Please answer and provide answer explanation.

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
If fighting inflation gets failed then it may create economic instability. The final answer: economic instability.