Le rôle des Etats en économie ouverte : Les politiques optimales d'incitation à l'accumulation de capital physique et de capital humain

Abstract : The thesis is divided into four essays, tree theoretical and one empirical. The first one analyses the fiscal co-operation problems. Governments raise taxes to finance a public good wich is an input of the production function: this is a way to improve private capital productivity. When equilibrium is reached, the littler a economyis, the more it produces public good, wich moves the world economy away from the pareto optimal case. The second essay is a model with both human and physical capital ; it is shown that, when externalities on human capital exist, it is optimum, paradoxically, to tax physical capital (the mobile input) to finance human capital (the fixed input) even in the case of a small open economy. The third linked justice and fiscal efficiency in the case where heterogeneity on revenues is armful to growth. A redistributive policy migght seen appropriate, its effects and distortions created on human capital investment are computed. Optimal policy is not trivial and redistribution costs can be prohibitive. The last essay perform a test of a theorem from the essay and proves that government size is positively linked with economy openness.
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Stéphane Deo. Le rôle des Etats en économie ouverte : Les politiques optimales d'incitation à l'accumulation de capital physique et de capital humain. Economies et finances. HEC PARIS, 1994. Français. ⟨NNT : 1994EHEC0025⟩. ⟨pastel-00994924⟩

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