While many analysts decry the lack of sufficient investment in Africa, we find no evidence that private and public investment are productive, either in Africa as a whole (unless Botswana is included in the sample), or in the manufacturing sector in Tanzania. In this restricted sense, inadequate...

The authors analyse the correlations between public and private investment and growth in Africa, and present a regression of growth during the years 1970-1997 on the averages of public and private investment to GDP, initial income, and population growth. Higher investment in Africa would not, by...

While many analysts decry the lack of sufficient investment in Africa, we find no evidence that private and public investment are productive, either in Africa as a whole (unless Botswana is included in the sample), or in the manufacturing sector in Tanzania. In this restricted sense, inadequate...

Ethnic diversity has a more adverse effect on economic policy and growth when a government's institutions are poor. But poor institutions have an even more adverse effect on growth and policy when ethnic diversity is high

Small states, no different from large states in income and growth, should receive the same policy advice large states do. Because of their greater openness, they may be more vulnerable to volatility in terms-of-trade shocks--but their openness pays off in growth

One of the primary reasons that otherwise good politicians enact bad policies in countries all over the world, but especially in low-income countries, is that they face significant constraints in their efforts to bring about reform. These constraints, the "room for maneuver", are shaped by the...