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 investigate the relationship between weak growth performance and low investment rates in Africa. The cross-country evidence suggests no direct relationship. The positive and significant coefficient on private investment appears to be driven by Botswana's presence in the sample....

Conventional estimates of the seigniorage-maximizing inflation rate often make use of the Cagan form, which implies a constant semielasticity of money demand with respect to inflation. This paper shows that the elasticity of substitution in transactions between money and bonds determines how the...