Structural Change, Mobility and Economic Policies.

Summary In the first chapter, we analyze the interactions between the interbank market and sovereign default risk in a two-country general equilibrium model, focusing on the transmission of the recent financial crisis and unconventional monetary policy.In the second chapter, the effects of fiscal devaluation on macroeconomic indicators and welfare are analyzed using a two-country model in a monetary union where goods varieties and trade are endogenous.In the third chapter, the impact of the demographic factor on the growth of the service sector in the long run is highlighted.In the fourth chapter, the effects of labor mobility and capital mobility in a monetary union are studied.