Rolling Up the Welcome Mat at the Door to the Promised Land.

The article informs that Derenoncourt's research contributes to data collection and careful statistical analysis of northern cities' backlash against the Great Migration and the ensuing decline in Black mobility. Topics include migration was driven by search for economic opportunity in the manufacturing sector and so there is a correlation between where Black migration increased in the North; and Great Migration and this influx of Black Southerners into northern cities for racial composition.