The Lucas and Romer production functions are currently the two most popular descriptions of the new growth theories in which knowledge is endogenous to economic growth and technological change. However, in both production functions the relationship between technology and human capital is...

The notion that lack of knowledge undermines the economic performance of African countries is deeply and widely held to be true. Yet quantitative evidence for the basis of that truth is few and far in-between. This article first describes a conventional production function approach to the...