Michael Fix, an American economist, joined the Urban Institute, a Washington D.C.-based think tank, as a research associate in 1977, and in 1994 became a principal research associate at the Urban Institute.
Michael E. Fix is an American economist known for his research on immigration, especially illegal immigration to the United States. He first joined the Urban Institute as a research associate in 1977, where he was promoted to senior research associate in 1983. In 1994, he became a principal research associate at the Urban Institute, and in 1998, he was named their Director of Immigration Studies. 
