An estimated baseline convergence model capturing the long-term effect of human capital and physical investment on potential output for a panel of OECD countries is augmented with public investment and its components. The estimations suggest that public investment has a positive effect on...

OECD countries and their regions are ageing fast. In principle, the negative impact of ageing on the growth rate of per capita gross domestic product could be offset by increases in productivity. However, for many regions, productivity growth required to maintain per capita GDP levels constant...