Claim: 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.
Evidence: 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.