This book presents 15 original essays that reflect the state of knowledge on policy issues critical to the performance and success of the nation's UI system. The essays are based on program data, enabling the authors to provide analyses on and recommendations for issues at the forefront of the UI policy debate. Topics include coverage, eligibility, adequacy and duration of benefits, labor market attachment, benefit financing, fraud and abuse, the intersection of UI with other income maintenance programs, federal-state relations (including devolution), and more.