ロバート・ワルドマンが、オールドケインジアンモデルをアスピリンに例えている。 As usual, I want to talk about crude empiricism vs microfoundations. I will argue that we should look at what has been tried in the past and whether it seems to have worked. This means I think we should not just keep our heads to down and to the grind-stone working on microeconomics until we have done it right and only then dare to attempt to advise policy ma