1. See E.A.G. Robinson, “The Economic Problem” in J. Merle Davis, ed., Modern Industry and the African, 131–226 (London: Macmillan, 1933).
2. Paul Cashin and C. John McDermott, “The Long-run Behavior of Commodity Prices: Small Trends and Big Volatility,” IMF Staff Papers 49, no. 2 (2002): 175–199.
3. Francis L. Coleman, The Northern Rhodesia Copperbelt 1899–1962: Technological Development up to the End of the Central African Federation (Manchester: Manchester University Press, 1971).
4. See Robert I. Rotberg, Ending Autocracy, Enabling Democracy: The Tribulations of Southern Africa 1960–2000 (Washington, DC: Brookings Institution, 2002).
5. Robert H. Bates and Paul Collier, “The Politics and Economics of Policy Reform in Zambia,” Journal of African Economies 4, no. 1 (1995): 115–143.