Investigates extent of diversity and segmentation within United States migrant farm labor force by examining differences in migrants' attachment to farmwork. Finds three groups of migrants with differing levels of dependence on agriculture differentiated by demographic (age, minority status, region) and employment (earnings) variables. (NEC)

A study of effects of differentiated farm structures and industry structures on socioeconomic conditions in 3,037 counties for 1970 and 1980 indicated that employment in core industry and a pattern of family farming contribute to more favorable socioeconomic conditions. Both peripheral and state employment lowered socioeconomic conditions relative…

Census data and mailed questionnaires were used to test three hypotheses about unemployment impacts: labor-market infusion, labor-market overload; and a balance of positive and negative impacts differing with occupational status. Results showed that blue-collar persons--both newcomers and long-term residents--experienced much higher unemployment…

Proposes social structural view of poverty rates as a function of local opportunity instead of individual-level focus on who is poor. Defines poverty rates as a function of industrial structure and relative power of labor in a locality. Confirms theoretical model with data from 46 South Carolina counties. (LFL)