We use administrative data from Missouri to examine the sensitivity of earnings impact estimates for a job training program based on alternative nonexperimental methods. We consider regression adjustment, Mahalanobis distance matching, and various methods using propensity-score matching,...

We explore the effects of temporary help employment on welfare recipients' subsequent employment and welfare dynamics. We find that any employment-in temporary help services or other sectors-yields substantial benefits compared to no employment. Although welfare recipients who go to work for...

In spite of the large and growing importance of the employer size-wage premium, previous attempts to account for this premium using observable worker or employer characteristics have had limited success. The problem is that, while most theoretical explanations for the size-wage premium are based...