Physics was able to go on from the simplistic models, refine and extend them to both a wide scale and very high quality of theoretical and empirical concurrence in exquisite detail and generality.
On the other hand, economics goes on from Homo economicus into a mass of mathiness with very poor empirical correlation except perhaps in very very narrow circumstances.
On the other hand, economics goes on from Homo economicus into a mass of mathiness with very poor empirical correlation except perhaps in very very narrow circumstances.