This book explores the criminalisation of irregular migration in Europe. In particular, it investigates the meaning, purpose, and consequences of criminalising unauthorised entry and stay. From a theoretical perspective, the book adds to the debate on the persistence of irregular migration, despite governments’ attempts at deterring it, by taking an interdisciplinary approach that draws from international political economy and criminology. Using Italy and France as case studies, and relying on previously unreleased data and interviews, it argues that criminalisation has no effect on...