This paper presents survey evidence from about 200 firms that protection against job loss grows with employees' length of service even after controlling for the perceived net value of employees to the firm. As would be expected, senior workers are better protected against permanent layoff in...

This paper presents survey evidence from about 200 firms that protection against job loss grows with employees' length of service even after controlling for the perceived net value of employees to the firm. As would be expected, senior workers are better protected against permanent layoff in...

In cross-sectional data, the positive association between seniority and earnings is typically much stronger for nonunion workers than for union workers, a finding that seems inconsistent with the generalization that seniority is more important in the union sector than in the nonunion sector. The...