In the Davis and Dingel model of the Comparative Advantage of Cities, A. A person of a given skill z present in both cities will live in a more attractive location in New York than in Chicago because that person will have higher wages in New York. B. New York will have relatively more people than Chicago with a high school diploma than with a law degree because New York is more than twice as large as Chicago. C. The very most skilled people can be found only in the largest city, so it is not really a model of full spatial equilibrium. D. The absolute size of middle skill industries must be highest in middle size cities