This is all very interesting and some of this makes sense, but like most economics practice, it's utterly impossible to predict the moves and motives of every p

This is all very interesting and some of this makes sense, but like most economics practice, it's utterly impossible to predict the moves and motives of every party involved when change economic policy. In other words - this all sounds good, but people are irrational and it's hard to predict that irrationality on a global scale. Source - Every economists research that either does or does not come true from proposed changes in economic policy.