Across the OECD, GDP per capita is converging. In contrast, regional disparities – or differences in GDP per capita across jurisdictions – are rising, mainly as a result of widening productivity differences. Fiscal decentralisation could help reduce them again. According to new OECD...

The design of intergovernmental fiscal relations can help to ensure that tax and spending powers are assigned in a way to promote sustainable and inclusive economic growth. Decentralisation can enable sub-central governments to provide better public services for households and firms, while it...