Cheap Mexican Labor Attracts U.S. Companies to the Border
Article on labor-intensive fishing indus of Brownsville, Tex and impact it has on US and Mex labor mkts; disparity in wages of Tex-Mex Cold Storage Inc shrimp packing plant in Brownville and Camarone Selectos SA peeling plant at Matamoros, Mex, noted; Amers and Mexicans who run processing plants contend plants save US jobs; cite Amer cos that would be forced to move entire operation to foreign soil in order to remain competitive; Gulf Shrimp Processors mgr Lawrence Touchet contends Amers do not want type of work offered at plants at minimum wage; illus (M)
