This comprehensive set of papers charts the main developments in contemporary labour economics, with an emphasis on issues of measurement. Topics covered in the first volume include the effects of adjustment costs on employment and the modeling of family choice in labor supply. Key themes explored in the second volume include the role of unobserved worker characteristics in obscuring the tradeoff between wages and benefits, payment systems in circumstances where results are verifiable and nonverifiable, formal unemployment duration analysis, and sex biased hiring. The third volume tackles some of the more controversial themes in modern labour economics. The editor has provided an insightful new introduction which gives a comprehensive overview of the themes discussed.