Using economic rates of return from more than 1,200 public and private sector projects implemented in 61 developing countries, the authors analyze determinants of investment productivity. Results from Tobit estimation demonstrate that the degree of countrywide policy distortions - macroeconomic,...

This paper reports on the 2009 update of the Worldwide Governance Indicators (WGI) research project, covering 212 countries and territories and measuring six dimensions of governance between 1996 and 2008: Voice and Accountability, Political Stability and Absence of Violence/Terrorism,...