There are several hypotheses why urban scale affects wages. Most focus on agglomeration economies that increase labor demand, especially for high-skilled workers (e.g., dynamic externalities stress knowledge transfers, and imply the urban wage gap favors skilled workers). Others stress urban...

Various disciplines have produced models to explain and predict migration. A model is presented providing a taxonomy through which interdisciplinary insights can be synthesized. The imperfect information view emphasizes the role of wage differentials as representing arbitragible real utility...