This study addresses the question with a rigorous econometric approach and distills global results from a multitude of evidence. The data set compiled is unique in its coverage, size, and composition, making it possible to address for the first time methodological problems that have plagued...

Is private operation better than public when it comes to utilities; a recent global study funded by the World Bank and Public-Private Infrastructure Advisory Facility (PPIAF) examines the effect of private sector participation in electricity distribution and water and sanitation services. Using...

Infrastructure made a net contribution of around 1 percentage point to Angola's improved per capita growth performance in recent years, despite unreliable power supplies and poor roads, which each holding back growth by 0.2 percentage points. Raising the country's infrastructure endowment to...

Despite general economic decline and power-supply deficiencies, infrastructure made a modest net contribution of just less than half a percentage point to Zimbabwe's improved per capita growth performance in recent years. Raising the country's infrastructure endowment to that of the region's...

Infrastructure contributed half a percentage point to the Republic of Congo's annual per capita GDP growth from 2001 to 2006. If the country's infrastructure were improved to the level seen in Mauritius, the regional leader, it could contribute more than 3 percentage points to annual per capita...

Despite general economic decline and power supply deficiencies, infrastructure made a modest net contribution of less than half a percentage point to Zimbabwe's improved per capita growth performance in recent years. Raising the country's infrastructure endowment to that of the region's...