Ecological Economics 10 (3) (August 1994): 209-219
Reprinted in Sustainability, Growth, and Poverty Alleviation: A Policy and Agroecological Perspective, eds. Stephen A. Vosti and Thomas Reardon, (Baltimore, MD: Johns Hopkins University Press for the International Food Policy Research Institute (IFPRI), 1997), pp. 19-33.
Also published as Chapter 26 in International Agricultural Development, 3rd Edition, eds. Carl K. Eicher and John M. Staatz, (Baltimore, Maryland: Johns Hopkins University Press, 1998), pp. 431-443