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Government revenues may be affected by economic growth and changes in demographics over time. The effect of economic growth can be captured by long-run buoyancy – responsiveness of government revenues to GDP growth – while the demographic effect can be captured by changes in labour income, asset income and consumption patterns over the life cycle, as well as population growth. This paper attempts to quantify the effect of population ageing on OECD tax revenues across different levels of government, by estimating error correction models of revenue buoyancies over the 1990 to 2018 period, by type of revenue, country and level of government. Multiple scenarios are used for the projections to 2040, which are combined with scenarios for the evolution of revenue bases using newly harmonized EU and UN National Transfer Accounts data as well as OECD Population Projections.

Fiscal Federalism 2022 surveys recent trends and policies in intergovernmental fiscal relations and subnational government. Accessible and easy-to-read chapters provide insight into: good practices in fiscal federalism; the design of fiscal equalisation systems; measuring subnational tax and spending autonomy; promoting public sector performance across levels of government; digitalisation challenges and opportunities; the role of subnational accounting and insolvency frameworks; funding and financing of local government public investment; and early lessons from the COVID-19 crisis for intergovernmental fiscal relations.

This report looks at crucial elements of reforms to growth-friendly recurrent taxes on immovable property. Tax design practices in place in OECD and partner countries are compared and analysed through the lenses of economic theory and empirical analysis. A set of good principles and options for reforming recurrent taxes on immovable property based on the latest experience of property tax reforms around the world are presented that are particularly relevant to the Chinese context, where broader use of recurrent taxes on residential properties is needed to make local public finances more sustainable. Challenges and practices related to the administration of property taxes are explored as well as their interplay with different tax designs. In addition, the main political and administrative hurdles in approving and implementing property tax reforms are discussed, and the approaches commonly employed in successfully dealing with them are examined. Although there are major challenges in designing, reforming and managing a recurrent property tax system, it is possible to overcome these in a manner that allows society to reap benefits in terms of a better allocation of resources, more stable house prices and a fairer income distribution.

Subnational governments’ capacity to effectively fund and deliver public services are crucial for the realisation of the benefits of decentralisation. However, subnational capacities often suffer from significant weaknesses, ranging from inadequate assignments of own-revenues, through to flaws in tax administration, the design of intergovernmental transfers, spending assignments and various aspects of public financial management. The volume discusses how better diagnostics and more strategic reforms can contribute to easing the resource constraints on subnational governments, as well as creating appropriate incentives for these governments to improve performance. The volume includes studies of the enabling conditions for subnational capacity building in Asia, as well as focused studies of China and India's fiscal relations challenges.