The TBP Manual, issued in 1990, serves as a standard method for surveys and data collection for trade in disembodied technology between countries which continue to be difficult to compare because of differences in coverage and in the grouping of categories of data. It also makes a contribution...

Primary commodities dominate African exports, yet these products are extremely vulnerable to variations in weather conditions, world demand and prices. If the continent is to obtain optimum benefit from the integration and opening of the world economy, this heavy reliance on primary products...