//-->
Does decentralization contribute to efficiency? : evidence from OECD countries
Ubago Martínez, Yolanda, (2018)
Tax collection efficiency in OECD countries improves via decentralization, simplification, digitalization and education
Ubago Martínez, Yolanda, (2022)
Inequality and Regional Development within the European Union
Ezcurra, Roberto, (2003)