Global trends pertaining to public administration and policy process ( with particular emphasis on OECD and the EU ); challenges to government and government failure ( patronage, nepotism, clientelism, corruption ); key concepts related to the policy process ( governance, bureaucratic politics, institutional analysis, instrumental approach, rational choice, ); stages of the policy making process ( problem identification, formulation of policy alternatives, policy adoption and legitimization , implementation, evaluation ); case studies