In 2000, wages of full time full year workers were more than 30 percent higher in metropolitan areas of over 1.5 million people than rural areas. The monotonic relationship between wages and city size is robust to controls for age, schooling and labor market experience. In this paper, we...

Many U.S cities invest in large public transit projects in order to reduce private vehicle dependence and to reverse the downward trend in public transit use. Using a unique panel data set for five major cities that upgraded their transit systems in the 1980s, we estimate new transit's impact on...