"In the mid-twentieth century, relative black wage growth in the North lagged behind the Jim Crow South. Inter-regional migration may explain this trend. Four million black southerners moved North from 1940 to 1970, more than doubling the northern black population. Black migrants will exert more...

"The share of metropolitan residents living in central cities declined dramatically from 1950 to 2000. We show that, if not for a series of demographic factors - notably renewed immigration, delayed child bearing, and a decline in the share of households headed by veterans, who are eligible for...

"Between 1940 and 1980, the rate of homeownership among African-American households increased by close to 40 percentage points. Most of this increase occurred in central cities. We show that rising black homeownership was facilitated by the filtering of the urban housing stock as white...

During the Great Depression, as in the modern era, in-migrants were accused of taking jobs and crowding relief rolls. Unlike today, the targets of protest during the Depression were typically American citizens from other parts of the country, rather than the foreign born. Using aggregate data on...