Cet article traite des difficultés méthodologiques soulevées par l'évaluation du niveau des recettes publiques dans les PED. Pour procéder à cette évaluation, il est tenu compte du niveau effectif des recettes publiques, de leur instabilité et enfin de l'effort fiscal. L'effort fiscal,...

[eng] This paper is based on Prebisch and Singer’s work on the deterioration in the terms of trade of developing economies. Using a game-theory model, we can explain the decline in the cocoa-bean price relative to the price of chocolate bars in the French market. One implication of the model...

No processo de reforma agrária brasileiro é comum a redistribuição de terra ocorrer por meio de invasões das grandes proprieades pelos sem terra. Esse mecanismo introduz insegurança no direito de propriedade fundiária e, na Regîão Amazônica, tem como consequência o excesso de...

Over the last two decades, millet prices in Niger have enjoyed periods of spectacular increase during which they seem to go well above their fundamental value. These episodes of price bursts followed by rapid reversals could be attributed to the presence of rational speculative bubbles....

This paper focuses on the impact of property rights insecurity on deforestation in the Brazilian Legal Amazon. Deforestation is considered as a risk management strategy: property rights insecurity reduces the present value of forests and fosters forest conversion into agricultural and pasture...