After his Naval discharge, Fritz attended the University of Wisconsin, where he received B.S. and M.S. degrees. In 1955 Fritz received a Ph.D. degree in Economics and Law from Vanderbilt University. He became a faculty member at the University of California at Davis and Berkeley (1954-1957) and the University of Wisconsin-Madison (1957-1960) … In October 1969, Fritz received an appointment at the University of Wisconsin as William F. Vilas Research Professor in the departments of Agricultural Economics, Economics, and Law, where he played a leading role in creating a 15-University consortium to research the competitive performance of various industries.