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Politiques macroéconomiques et disparités régionales dans la zone Euro

Abstract : After ten years of using the common currency, national divergences in the euro area are persistent and the economic growth is slower than expected. This manuscript is focusing on the use of inappropriate economic policies as potential reason for such empirical facts. It tries to reconsider the monetary and fiscal policy definition in a heterogeneous monetary union, with asymmetric monetary transmission. Three different models were developed in this work. The first one studies the monetary policy in a Barro-Gordon traditional framework, by using a game among the central bank and the different agents of the Union. The second model appeals to the interaction between monetary and fiscal policies, in order to guarantee stable economic conditions. It proposes a dynamic analysis of an asymmetric monetary Union, in a neo-keynesian framework, modified to take into account an interest rate rule for the monetary policy. The last model analyzes the importance of the previously mentioned policies for stabilizing shocks, using a DSGE model. The overall conclusions suggest that a monetary policy oriented to the reduction of the national divergences would be beneficial for the Union only if the central bank is simultaneously adverse to inflation and output divergences. If the central bank is only concerned by inflation divergences, and disregards the output differentials, the monetary policy could be counterproductive. The national policies are the main means of reducing asymmetries. They should be rigorously conducted, and must take into account the structural asymmetries in the Union. The public announcement of the national fiscal rules could be a solution for increasing the policies’ transparency and for improving their efficiency.
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Florina-Cristina Semenescu-Badarau. Politiques macroéconomiques et disparités régionales dans la zone Euro. Economies et finances. Université d'Orléans, 2009. Français. ⟨NNT : 2009ORLE0505⟩. ⟨tel-00473690⟩

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