He works in the areas of labor economics, migration and economic history. A recent work, “Migration Creation, Diversion, and Retention: New Deal Grants and Migration, 1935-1940,” studies how New Deal spending affected internal migration during the Great Depression. toddas@ucr.edu. Subject(s):Macroeconomics and FluctuationsGeographic Area(s):North AmericaTime Period(s):20th Century: Pre WWII