The probable effects on the U.S. labor market of a continued high rate of illegal immigration are examined. The impact each additional immigrant has on the employment of the domestic population, on GNP, and on the distribution of income is estimated. (CT)

Analysis of data from "Industry Wage Surveys of Machinery Manufacturers" on the skill levels of 57 machining jobs found that introduction of numerically controlled machine tools has resulted in a very small reduction in skill levels or no significant change, supporting neither the deskilling argument nor argument that skill levels…

Develops a theory to integrate the effects of three factors--the relative supply elasticities of skilled and unskilled labor, adjustments in skilled labor hiring standards, and the presence of fixed employment costs for skilled labor--on the response of skill differentials to demand variation. (Editor/LAS)

Shows that skill differential in manufacturing, when measured on a national level, has remained surprisingly stable over the 1952-73 period, in spite of its history of narrowing throughout the first half of the century and severe pressures of inflation since 1965. (Editor/LAS)

This study focused on the influence exerted by market forces and by the economic and institutional characteristics of the building construction industry. The results indicate that shortrun fluctuations can be attributed to changes in the labor market which systematically affect bargaining positions and thence wage policies and the…

This study examines the year-to-year movement in the wage differential between skilled and unskilled workers, 1907-72, using union contract rates in the construction industry. The author examines a number of hypotheses that have been suggested as explanation for changes in the skill differential. (Editor/HD)

Responses to a questionnaire survey of workers in a machine tool and parts company showed that internal labor market practices generally made a greater contribution to blue collar earnings than skill or knowledge acquired by workers before joining the firm. (Author/DS)

Using 1940-90 Censuses, a study of changes in male wage inequality and skill premiums shows that relative demand for most skilled workers rose steadily over the years. The pace of industrial change, especially in blue-collar manufacturing, was inversely related to the overall growth in wage inequality. (SK)