"Chen and Dahlman assess the effects of knowledge on economic growth. By using an array of indicators, each of which represents an aspect of knowledge, as independent variables in cross-section regressions that span 92 countries for the period 1960 to 2000, they show that knowledge is a...

The size, resources, and location of the Democratic Republic of Congo have an impact on all of Central Africa. The country has unexplored mining resources, massive agricultural potential, and a population of more than 60 million inhabitants. The second largest country in Sub-Saharan Africa, the...