by Boris Cournede, Head of Public Finance Workstream, OECD Economics Department Most OECD countries have very large government sectors: public expenditure amounts to 43% of economic activity, measured by GDP, on average across OECD countries. This proportion exceeds 50% in four OECD countries. The programmes on which governments spend have thus deep implications for people’swell-being … More How can public finance reforms boost economic growth and enhance income equality?