Democracy as efficient and effective system of governance for people should provide sustainable institutions that enable public administration and public management to meet the needs of citizens, businesses and civil society. Thereby, the dynamics of political systems in terms of instability and uncertainty concern the political address of governments and political majority. Following a strategy-structure paradigm, political systems drive the effective functioning of public management and public administration. Following a historical path and excursus, the aim of this study is to elucidate how political discontinuity and uncertainty are sources for sustainability driving public management to face and solve problems over time. Despite the in...