Well, they did develop things like game theory and information theory in those 80 years. They also went beyond Keynes (the serious ones). The problem is that y

Well, they did develop things like game theory and information theory in those 80 years. They also went beyond Keynes (the serious ones). The problem is that you can't make n experiments in economics to study a phenomenon, so many less bright (to use a kind word) economists get along with opinions and this damages the credibility of all. But politicians know, today they have powerful tools to analyse their country economy. However, one thing is to know what's to be done, another things is convincing your voters, world of difference.