Handbook of Labor Economics, Volume Six reviews the latest research topics, empirical findings, and methods that constitute frontier research in the field. The focus lies in the most important research advances that have taken place since the publication of the previous work. Chapters in this new release include Instrumental Variables with Unobserved Heterogeneity in Treatment Effects, Firm Wage Effects, Empirical Bayes Methods in Labor Economics, Minimum Wages in the 21st Century, The Micro and Macro Economics of Short-Time Work, Job Search, Unemployment Insurance, and Active Labor Market Policies, Families, Public Policies, and the Labor Market, and much more.Other chapters cover The Evolution of Gender in the Labor Market, Crime and the Labor Market, and Monopsony Power in the Labor Market. - Covers factors such as trade, technology, skills, immigration, crime, unions, race, and gender affect wages and employment in modern labor markets - Includes coverage of the labor market's impact on policy interventions such as minimum wages, employment and training policies, and family policies - Presents recent methodological advances in empirical methods and models of the labor market in the presence of imperfect competition