With the help of Kenneth Arrow and James Tobin, he was able to move to the United States, taking a position as professor of economics at the Wayne State University in Detroit between 1961 and 1963.
在肯尼斯·阿羅和詹姆斯·托賓的幫助下，他得以能夠遷移到美國 ，同時於1961年至1963年之間在底特律韋恩州立大學擔任經濟學教授。