Management of non-renewable resources : Market equilibrium, socio-economic impacts and potential channels of resource curse -An application to Phosphate Rock-

Abstract : The purpose of this thesis is to examine the sustainable management of non-renewable resources in general and phosphate rock in particular. The first chapter presents the current situation, future trends and geopolitical issues pertaining to the global phosphate market. The analysis shows a large deficit in world phosphate supply in the future, inciting producers with sufficient phosphate reserves to invest in new capacities. The second chapter develops a multi-leader-multi-follower Stackelberg model, calibrated using real data from the phosphate market. This model derives the optimal future capacities for different producers according to their reserve levels and their development costs. The results show that the market would become more concentrated in 2100, with Morocco being the dominante country wich already holding three quarters of the world's reserves. The third chapter presents and calculates the linkage effects generated by Morocco’s phosphates exploitation. Using the Input-Output model, the proposed empirical analysis compares the socio-economic impacts of extraction to those related to transformation or valorization. The results of this analysis show that phosphates transformation is more linked to the other sectors and generates higher socio-economic impacts in terms of added value, income and employement. The last chapter contributes to the literature on the natural resources curse by linking agricultural performance and urbanization to the abundance of resources. The empirical study, based on a panel of African countries, shows a significant link between the abundance of mineral resources, the underdevelopment of the agricultural sector and urban explosion.
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Jamal Azizi. Management of non-renewable resources : Market equilibrium, socio-economic impacts and potential channels of resource curse -An application to Phosphate Rock-. Economics and Finance. PSL Research University, 2018. English. ⟨NNT : 2018PSLEM030⟩. ⟨tel-02171236⟩

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