Argues that the semiperipheral development of Puerto Rico since around 1975 has created a relative labor surplus in formal sectors of the economy while increasing demand for cheap labor in the informal service sector. Describes migration of Puerto Ricans to and from the U.S. and of Dominicans to Puerto Rico. (AF)

Maintains that Chinese urbanization is proceeding rapidly in step with population growth and a structural shift in employment patterns. Discusses governmental policies and economic reforms that enhance the urbanization process. Describes four extended metropolitan areas and maintains they will be the models for future urbanization. (CFR)