As urban centers become more in-demand, low-wage workers are being displaced while the number of low-wage jobs are increasingly concentrated in city centers. As a result, low-wage workers are facing longer commutes. The effects can be seen in revitalized downtowns as well as "edge cities" that developed as office centers in close-in suburbs. In many downtowns and edge cities, housing is becoming more expensive and urban amenities that rely on low-wage workers, such as restaurants and entertainment venues, are flourishing. For more on this topic, read William Fulton's column in Governing.