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The paper argues that the global economy has produced changes in the hierarchical configuration of urban systems. The emerging organization tends to be more open and set up more horizontal relations among cities. There are some evidences that indicate the relative insertion of the main Latin-American cities in global networks. The paper shows the empirical evidence available to Latin-American cities and, specially, related to the Argentine case. It evaluates the tension between the historically forged trend toward geographic concentration of population and economic activities in the metropolis of Buenos Aires and other somewhat more recent trends towards dispersion, emphasizing the role of intermediate cities. The paper concludes reflecting on the importance of flows between cities, the patterns of spatial dependency between them and the role of public policy. [ABSTRACT FROM AUTHOR]

This paper seeks to emphasize the relevance of analyzing the exchanges between local and foreign counterparts. Latin American cultural history, cultural studies as well as architecture and urbanism histories contribute to discuss dependentists analyses on center--periphery relations. Those research lines enable a more productive approach on international circulation of ideas, technicians and urban models as well as international exchanges. The theoretical approach is articulated with a previous research that analyzes the struggle to define diagnoses of Buenos Aires city problems between 1983 and 1992. Those diagnosis are developed by various networks of local professional and technician, related in multiple ways with Spanish peers. [ABSTRACT FROM AUTHOR]