This thesis tries to discuss critically at least two issues regarding European Eastern Enlargement. It tries to offer an analysis of the reasons why the EU had made the decision to enlarge eastwards, even though the advantages were not clear. A further aim will be to raise issues about the...

This thesis investigates the consequences of model uncertainty and persistence in consumption habits and price-setting behaviour in a New Keynesian model.As the decision of a central bank is made in an uncertain environment, the analysis of uncertainty is essential in monetary policy models. In...