Section 1. Definition and measurement of financial sustainability in public administration. Chapter 1. Different perceptions of factors affecting the financial sustainability in public administrations: an empirical research ; Chapter 2. Sustainability management and local governments: a proposal to define the role of financial sustainability ; Chapter 3. Two approaches on local governments' financial sustainability: law vs. practice in Catalan municipalities -- Section 2. The link between equality, intergenerational equity, and financial sustainability in public administration. Chapter 4. Fiscal autonomy of sub-central governments in Turkey ; Chapter 5. Financial conditions, financial sustainability, and intergenerational equity in local governments: a literature review ; Chapter 6. Fiscal sustainability, demographics, and the social determinants of health driving intergenerational equity -- Section 3. Public policies for sustainable governments. Chapter 7. Explaining the relation between efficiency and financial condition: empirical analysis on local governments ; Chapter 8. What is known and what should be known about factors affecting financial sustainability in the public sector: a literature review ; Chapter 9. Characterizing the risk factors for financial sustainability in Spanish local governments ; Chapter 10. The potential correlation between organizational structure and financial sustainability in Turkish local government: the case of Mugla municipalities ; Chapter 11. Theoretical application of public sector planning and budgeting -- Section 4. Conclusion. Chapter 12. Financial sustainability: a walk for its definition, measure, and link with the intergenerational equity