Your observation equation is wrong. You are trying to match mean 0 model variables to non-mean 0 data. See Pfeifer(2013): “A Guide to Specifying Observation Equations for the Estimation of DSGE Models”
Your observation equation is wrong. You are trying to match mean 0 model variables to non-mean 0 data. See Pfeifer(2013): “A Guide to Specifying Observation Equations for the Estimation of DSGE Models”