引き続きフォーリー論文から、今日は計量経済学に関する記述を引用してみる。 The role of empirical verification in the mathematized economics of the Samuelson era was supposed to be played by econometrics, a field, curiously enough, in which Samuelson himself rarely, if ever, worked. With some economic data traditional statistical methods work very well. I remember Richard Ruggles showing a slide of what appeared to be a perfect bell cu