... fund theory is anexample, where economists confused a fund with a flow. My instructor,Shorey Peterson, at Michigan, stressed this, but it was also my physicsprofessors that stressed to me the ... foundation.Then we economists build on these foundations some very flimsy super-structures, some tenuous economic models.ITEC 11 8 /15 /06, 3:06 PM2 51 An Interview with Stanley Fischer 269that the Prime ... 20 01. That part of his life has been well documented in newspapers and maga-zines: While at the IMF, he was on the front lines during the Mexicancrisis, the Russian crisis, the Asian crises,...