Through the use of data derived from a one percent sample of Social Security Administration records, patterns of interregional mobility in the period 1957 to 1960 are explored for male workers by industry of major job in 1957. The data are available for ten broad industrial categories and they are used to explore the extent to which workers in different industries are responsive to the factors of distance and earnings levels when they move between the nine broad census regions. The basic conclusions are: (1) that workers respond positively to earnings and negatively to distance and (2) that the strength of the distance variable is indicative of its measuring more than just the pure costs of interregional movement. It is suggested that the latter may reflect the presence of barriers to the flow of labor market information between regions.
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