Preface (S.W. Polachek). Do financial incentives encourage welfare recipients to work? Evidence from a randomized evaluation of the self-sufficiency project (D. Card, P. Robins). Labor market dynamics and part-time work (R. Blank). Job-satisfaction, wage changes and quits: evidence from Germany (A. Clark, Y. Georgellis and P. Sanfey). Soft-skills and long-run labor market success (G. Duncan, R. Dunifon). English language fluency among immigrants in the United States (B. Chiswick, P. Miller). The anatomy of jumps and falls in wages (M. Moore, W.K. Viscusi and R. Zeckhauser). The effects of labor market experience, job seniority and job mobility on wage growth (J. Altonji, N. Williams). Investments in U. S. education and training as supply responses (J. Mincer). Technology and wage structure: has technology's impact accelerated since the 1970s? (L. Mishel, J. Bernstein). Wage dispersion and institutions: an alternative explanation (C.N. Teulings, J. Hartog). Income inequality and changes in family size (D. Slottje, S. Yitzhaki).