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Movements of relative agricultural prices in 20 countries insub-Saharan Africa between 1973 and 1999-95 are investigated.Changes in the net barter terms of trade of the agriculturalsector are compared with international terms of trade movements.Movements in prices received by cocoa, coffee, cotton and teafarmers are compared with unit export prices and with indicatorsof production costs. World price movements for the same commoditiesare compared with unit export prices of major exporting countries.A similar analysis is undertaken for cereals, where producerprices are compared with unit import prices and with cost indicators.Possible factors which affect these relative price movementsare discussed with special emphasis on the role of alternativepolicy regimes. Empirical findings suggest that conventionalviews on the anti-farmer bias of African policies till the 1980sare questionable and the recent liberalisation of agriculturalmarkets in Africa have not generated farmer-friendly outcomes. 相似文献
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