Unit root problem!

Hello, how to get rid of unit root when dealing with prices?

FMI.mod (2.4 KB)

By expression everything in terms of inflation rates and relative prices.

Ok Professor, Let me try …

Professor Can you plz suggest some improvement, while looking at my mod file…

FMI.mod (2.6 KB)

Please have a look at the thread
https://forum.dynare.org/t/unit-root-in-nk-model-how-to-fix/

Reuben