We ask whether a PAYG-financed social security system is welfare improving in an economy with idiosyncratic and aggregate risk. We argue that interactions between the two risks are important for this question. One is a direct interaction in the form of a countercyclical variance of idiosyncratic...

When markets are incomplete, social security can partially insure against idiosyncratic and aggregate risks. We incorporate both risks into an analytically tractable model with two overlapping generations and demonstrate that they interact over the life-cycle. The interactions appear even though...

When markets are incomplete, social security can partially insure against idiosyncratic and aggregate risks. We incorporate both risks into an analytically tractable model with two overlapping generations. We derive the equilibrium dynamics in closed form and show that joint presence of both...

Die Europäische Zentralbank (EZB) führt derzeit eine Überprüfung ihrer geldpolitischen Strategie durch. Die letzte formelle Überprüfung fand im Jahr 2003 statt. Nun geht es darum, inwieweit diese Strategie in den vergangenen Jahren dazu beigetragen hat, das im EU-Vertrag festgelegte Mandat...

The German Federal Constitutional Court (Bundesverfassungsgericht) submitted an order for referral to the European Court of Justice (CJEU) in 2014, asking it to clarify the compatibility of the "Outright Monetary Transactions" (OMT)-Programme with European Union law. The OMT-Programme prepares...