1. Abekah, Joseph Y . 1998. Overseas Private Investment Corporation and Its Effects on U.S. Direct Investment in Africa. Journal of African Finance and Economic Development, 3 (1): 43–64.
2. Abel, Andrew B . 1983. Optimal Investment Under Uncertainty. American Economic Review, 73 (1): 228–233.
3. Aizemman, Joshua, and Nancy Marion . 2004. The merits of horizontal versus vertical FDI in the presence of uncertainty. Journal of International Economics, 62: 125–148.
4. Allaoua, Abdelkader, and Micheal Atkin . 1993. FDI in Africa: Trends, Constraints and Challenges. Ethiopia, Addis Ababa: Economic Commission for Africa (ECA).
5. Aron, Janine, John Muellbauer, and Benjamin Smit . 2004. A Structural Model of the Inflation Process in South Africa, Center for the Study of African Economies, WPS/2004–08.