"There has been much concern about Africa's recent export performance. Even though tariff and non-tariff barriers to trade have been falling, Africa's share of world exports has declined and most African countries remain highly dependent on a narrow range of primary commodities for export...

The lower the risk of expropriation and the greater the rule of law (that is, the greater the security of property and contract rights), the greater the research and development spending in developing countries and the greater the likelihood that foreign direct investment will increase; two...