Infrastructure made a net contribution of just over two percentage points to Botswana's improved per capita growth performance in recent years. Raising the country s infrastructure endowment to that of the region's middle-income countries could boost annual growth by about 1.2 percentage points....

Liberia's power generating capacity and national grid were completely demolished during 14 years of civil war. Piped water access fell from 15 percent of the population in 1986 to less than 3 percent in 2008. War also left the national road network in a state of severe disrepair. Since the...

Infrastructure contributed just over one percentage point to Ghana's annual per capital GDP growth during the 2000s. Raising the country s infrastructure endowment to that of the region's middle-income countries could boost the annual growth rate by more than 2.7 percentage points. Ghana has an...

Infrastructure made a net contribution of around one percentage point to Nigeria's improved per capita growth performance in recent years, in spite of the fact that unreliable power supplies held growth back. Raising the country's infrastructure endowment to that of the region's middle-income...