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The fact that crime is higher in the larger urban centers and in the central cities of metropolitan areas suggests that crime has contributed to suburbanisation. Previous studies have been unable to extricate crime from other causes of suburbanisation and central city decline. The present study of residential mobility isolates the effect of property crime from other neighborhood characteristics, such as accessibility to workplace and social composition. In Dallas it is found that the repelling effects of crime for potential movers is greater for families with children than without and for more affluent families, white and black.

Beyond influencing generations of scholarship in American history, the paradigm of Frederick Jackson Turner has stimulated a series of monographs and articles on the role of the frontier in the formation of other societies. A synthesis of this comparative research on these frontier societies has been ably undertaken by Gerhard and Mikesell. While there have been numerous articles in both English and Portuguese on the Brazilian frontier, these largely descriptive studies have not been systematically integrated into any conceptual framework, much less the comparative tradition inspired by the Turner thesis. In this essay, I propose to test the robustness of the frontier paradigm against some Brazilian frontier experiences

Abstract. An attempt is made to account for age‐specific differences in economic performance among 14 ethnic groups living in the nation's nine largest metropolitan areas, by regression analysis of 1950 U.S. Census data. A large proportion of the variance in occupational structure, income, unemployment, and labor force status is accounted for by variations in urban opportunities, relative group size and the members' educational attainment. With the specified economic factors held constant, ethnic factors—nationality and nativity—are associated with residual differences in economic performance. These residual ethnic influences as well as ethnic differences in marital, educational, and labor force status suggest that differences in ethnic subculture have important economic consequences.