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The Elusive Quest for Supply Response to Cash-Crop Market Reforms in Sub-Saharan Africa : The Case of Cotton
Authors: ---
Year: 2011 Publisher: Washington, D.C., The World Bank,

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Little cross-cutting conclusions emerge from comparative studies on the impact of structural adjustment on Sub-Saharan African agricultural performance. This paper aims to illuminate this long-standing debate by adopting a novel quantitative, sectoral and long-term approach controlling for country-specific determinants. It incorporates detailed information on the pace of reforms and the nature of post-reform market structure, pre-reform policies and weather conditions at the cultivation zone level. The cotton sector is the focus of this paper because of its particularly interesting institutional history. The authors find that the changes in market structure brought about by reforms have had very different impacts in Francophone West and Central Africa and in the rest of Sub-Saharan Africa. In the former region, production has been higher but productivity lower, on average, in regulated markets than in monopolistic markets. Conversely, in the liberalized markets of the rest of Sub-Saharan Africa, productivity has been higher in than in monopolistic markets but highly competitive markets seem to have produced less than monopolistic sectors.


Book
The Elusive Quest for Supply Response to Cash-Crop Market Reforms in Sub-Saharan Africa : The Case of Cotton
Authors: ---
Year: 2011 Publisher: Washington, D.C., The World Bank,

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Bookmark

Abstract

Little cross-cutting conclusions emerge from comparative studies on the impact of structural adjustment on Sub-Saharan African agricultural performance. This paper aims to illuminate this long-standing debate by adopting a novel quantitative, sectoral and long-term approach controlling for country-specific determinants. It incorporates detailed information on the pace of reforms and the nature of post-reform market structure, pre-reform policies and weather conditions at the cultivation zone level. The cotton sector is the focus of this paper because of its particularly interesting institutional history. The authors find that the changes in market structure brought about by reforms have had very different impacts in Francophone West and Central Africa and in the rest of Sub-Saharan Africa. In the former region, production has been higher but productivity lower, on average, in regulated markets than in monopolistic markets. Conversely, in the liberalized markets of the rest of Sub-Saharan Africa, productivity has been higher in than in monopolistic markets but highly competitive markets seem to have produced less than monopolistic sectors.


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Le développement durable à découvert
Authors: --- --- --- --- --- et al.
ISBN: 2271119138 2271084202 2271080525 2271078962 Year: 2017 Publisher: Paris : CNRS Éditions,

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Vingt ans après la première conférence de Rio, qu’est devenue la proposition de conduire nos sociétés vers un développement durable ? Adopté par les uns, utilisé comme faire-valoir par les autres, ce concept de développement durable est souvent vidé de son sens. Or, l’impact exponentiel des activités humaines sur les ressources naturelles, la santé des populations et le milieu exige d’expliquer ce qu’il est précisément. Qu’est-ce que le développement durable aujourd’hui ? Qu’en est-il de la disponibilité des ressources et de l’usage que nous en faisons ? Dans le domaine de l’eau, du climat, des sols, de la biodiversité ? En milieu rural, sur le littoral ou encore en milieu urbain, là où la majorité de la population va vivre d’ici 2050, comment consommons-nous au fil du temps, à travers les territoires ? Quelles incidences les activités humaines ont-elles sur les ressources, sur la santé des populations et sur le milieu lui-même ? Les relations entre l’humanité et l’environnement doivent-elles évoluer ? Autant de questions posées à des scientifiques qui éclaircissent la complexité des interactions entre les systèmes et proposent des solutions pour un avenir sur le long terme. De nos écosystèmes à nos modes de consommation, des risques naturels aux nouvelles technologies ou aux pollutions, des usines du futur au traitement des déchets, Le développement durable à découvert informe, explique, partage tout ce que la science actuelle est capable d’apporter au défi majeur du xxie siècle : comment mieux comprendre la complexité des enjeux qui nous concernent tous et assurer le développement de l’humanité sans détruire son biotope. Économistes, physiciens, sociologues, agronomes, écologues... plus de 150 chercheurs se sont mobilisés pour associer leur expertise à leur regard critique et décrire, comprendre, modéliser, imaginer, illustrations et schémas à l’appui, les outils destinés à construire les sociétés équitables de demain.

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