Hi, Professor Pfeifer
I build a two-country dsge model. It works well. But when I turn to the ramsey policy, It does not work. The error message is undefined function or variable 'ys', I checked the steady state file automatically generated by dynare and found variable ys(80) and ys(87) are there,undefined.But I only have 59 variables included two instruments in my model. I don't know what variables ys(80) and ys(87) are. Can you have a look for me? This is my mod file.