Over the past three decades, public spending on infrastructure, as a share of GDP, has been on the decline worldwide. Although the link between infrastructure investment and economic growth is not yet fully understood, the quality of infrastructure clearly affects a country's productivity,...

We examine the short- and long-term movements of government spending relative to output in 51 countries. We find that in the short term, the main components of government spending increase with output in about half of the sample countries, with some variation across spending categories and...