After a decade in which wages and employment fell precipitously in low-skill occupations and expanded in high …-skill occupations, the shape of U.S. earnings and job growth sharply polarized in the 1990s. Employment shares and relative earnings … rose in both low and high-skill jobs, leading to a distinct U-shaped relationship between skill levels and employment and …

The effect of foreign labor on native employment within an occupation depends on native labor supply to that occupation … implies that the effect of migrant labor supply on native employment is close to zero within this occupation, and may be …

intended to improve the terms of employment for domestic workers by deliberately shrinking the workforce. Recent advances in …' seasonal agricultural workers from the United States, with the stated goal of raising wages and employment for domestic farm ….S. agricultural wages or employment, and find that important mechanisms for this result include both adoption of less labor …