Gaël Giraud recently published in Oxford Development Studies an article coauthored with Cécile Renouard (ESSEC Business School) and Hélène L’Huillier (Université Lille 1) : « Crisis and relief in the Niger Delta (2012–13): assessment of the effects of a flood on relational capabilities« .
The article is about the effects of a flood that affected villages of the Niger Delta (Nigeria) located in the influence zone of a major oil company. The article shows that the flood improved internal trust in the communities but also deteriorated « bridging » social capital, which connect people who do not know each other. The oil company provided emergency aid to some of the affected people. However, the aid was not distributed equitably, but mainly on the basis of people’s social status. The aid partly compensated for the loss of bridging social capital for the persons who received it. These findings highlight how a natural disaster can affect the social fabric, addressed through a « Relational Capability Index » (RCI).
We present here the methodological notes supporting the article. They include a map of the area, tests on the hypotheses, detailed results and the questionnaire that was used.
Under non-exponential discounting, we develop a dynamic theory for stopping problems in continuous time. Our framework covers discount functions that induce decreasing impatience. Due to the inherent time inconsistency, we look for equilibrium stopping policies, formulated as fixed points of an operator. Under appropriate conditions, fixed-point iterations converge to equilibrium stopping policies.
Cette thèse a pour objectif d'étudier l'influence des nouveaux classiques sur la macroéconomie dans les années 1970 en mobilisant un appareil historiographique qui met au coeur de l'étude le rôle joué par la stagflation, et de confronter les résultats de cette étude avec l'histoire conventionnelle de la macroéconomie.
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