This book is one of three volumes that provide a systematic overview of public administration, public management and public governance in Italy. This third volume examines key philosophical themes pertaining to core foundational issues of public administration in Italy, including the link to the liberal-democratic constitution, the rationale for the legitimacy of administration action, epistemologies and methods. It also assesses public administration in relation to certain 'mega-trends' which are reshaping society and government at global and European level. Contributors comprise some of the leading historians, political scientists, lawyers and public management scholars, as well as reflective practitioners who have worked in key posts in the Italian public sector. It will appeal to students and scholars of public administration, public management and public governance, as well as practitioners with an interest in Italy.