Help:function or variable can't be identified

my result shows that function or variable ‘****’ can’t be identified,how could i solve it?

Without the file and the exact message it is impossible to tell.

simulation.mod (6.7 KB)
thanks a lot,dear professor!

  1. You have a tau that must be TAU.
  2. You did not set all variables. For example, you should have
  1. Equations like

are not valid in Dynare. The equation must typically be


unless you have a weird timing in mind.

Many thanks Prof. Pfeifer!The problem is solved.