Agricultural Economics in Africa: Trends in Theory and Method
Explicit theory about the process of economic development is notoriously scanty and underdeveloped.** Thus this paper will deal as much with emerging challenges to implicit theorizing and neglected areas in explicit theory as with trends in what explicit theory exists. Although the state of economic theory relevant to the agricultural sector of developing countries still leaves much to be desired, there have been some fascinating trends in the last ten years. Over the same period there have been fundamental changes in methodology as well. The central focus of those concerned with the course of economic change in developing economies is consideration of how the rate of economic development can be effectively increased and maintained. Economists working on the agricultural sector are most interested in theory that deals either with the relationship between change in the agricultural sector and change elsewhere in the economy, or with means of accelerating and sustaining development of the agricultural sector itself, of interest not only because the course of events in agriculture affects aggregate development but also because satisfactory progress in agriculture contributes to national goals other than development. Agricultural development affects development in other sectors of the economy in several ways: through provision of goods and services needed elsewhere in the economy and for export; through generation of rural purchasing power which can be a critical component of the stimuli needed to evoke satisfactory rates of development of other sectors; and through generation of savings, investment, and manpower needed elsewhere. Agricultural
Socialism and Economic Development in Tropical Africa
I. Introduction, 549. — II. Economic policies: the socialist development model, 551. — III. Origins of socialist attitudes, 554. — IV. The Guinea experience, 556. — V. The inapplicability of the Socialist model, 560. — VI. Conclusion, 571.
The development of biological systematics : Antoine-Laurent de Jussieu, nature, and the natural system
A reevaluation of the history of biological systematics that discusses the formative years of the so-called natural system of classification in the eighteenth and nineteenth centuries. Shows how classifications came to be treated as conventions; systematic practice was not linked to clearly articulated theory; there was general confusion over the "shape" of nature; botany, elements of natural history, and systematics were conflated; and systematics took a position near the bottom of the hierarchy of sciences.