Book excerpt: IZA World of Labor distils and condenses the best thinking and research on labor economic issues to enable decision-makers make better informed policy decisions. Written by well-known labor economists worldwide, the findings on each topic are presented in a compact and readable format, as distillations of comprehensive evidence-based research. The IZA World of Labor Policy Handbook brings together summaries of over one hundred research articles to give busy policy-makers and advisors worldwide instant access to reliable, and up-to-date guidance on key policy topics including: migration and immigration; the minimum wage; supporting an aging workforce; the gender pay gap; microfinance in developing countries.