This book examines the transformation of the administrative state, since it was first coined by Dwight Waldo seventy years ago. Empirically, the book assesses how the administrative state is facing endogenous reforms through administrative devolution, as well as exogenous shifts by the rise of multilevel administrative systems and international bureaucracy. Facing dual shifts, the book offers a comprehensive analysis of how the administrative state handles three interconnected challenges: first, a need for innovation and reform, as well as stability and robustness; second, administrative...