What are you trying to do? Have Dynare automatically detrend your model? Estimate a model where there is a deterministic trend in the observables? Or run a local linear trend model as in A nonstationary model for output gap with a const in drift ?
What are you trying to do? Have Dynare automatically detrend your model? Estimate a model where there is a deterministic trend in the observables? Or run a local linear trend model as in A nonstationary model for output gap with a const in drift ?