This paper presents new estimates for 21 OECD countries covering the period 1960-2001, focusing on two questions: To what extent does the impact of public capital on output differ across countries? And to what extent does it differ over time? Using vector autoregressions (VARs), we find that in...

The Euro area faces zero inflation paired with low economic growth, at a time when the effective lower bound on nominal interest rates and large budget deficits are constraining conventional monetary and fiscal policy. In this article, we discuss the theoretical and empirical evidence on...