... shock in Europe, policy interaction lowers inflation in Europe. On the other hand, it raises unemployment and the structural deficit there. Given another type of mixed shock in Europe, policy interaction ... supply shock in Europe. In case A, policy interaction achieves zero inflation in Europe. On the other hand, it raises unemployment and the structural deficit there. In case B, policy interaction ... one refers to the common supply shock. In terms of the model there is an increase in 1B of 3 units, as there is in 1A . And there is an increase in 2B of 3 units, as there is in 2A . Step...