This paper provides an overview of both theoretical and empirical literature on the link between public investment (capital) and economic growth (national income). We first survey the channels through which public capital can conceivably affect growth. We then turn to reviewing the existing...

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...

We examine the effect of political 'institutions' on economic growth volatility, using data from more than 100 countries over the period 1960 to 2005, taking into account various control variables as suggested in previous studies. Our indicator of volatility is the relative standard deviation of...