From time to time, economies undergo far-reaching structural changes. In this paper we investigate the consequences of structural breaks in the factor loadings for the specification and estimation of factor models based on principal components and suggest test procedures for structural breaks....

Die Wachstumsschwäche in einigen europäischen Ländern wie Portugal und Italien in der ersten Hälfte dieses Jahrzehnts sowie anhaltend hohe Inflationsraten und ein Bauboom in Spanien haben zu einer Debatte darüber geführt, ob sich möglicherweise die einzelnen Länder der Eurozone...

Dieser Aufsatz untersucht, inwieweit die jüngste Debatte um mögliche Divergenzen in der Eurozone tatsächlich einen Grund zur Besorgnis aufzählt. Dabei wird argumentiert, dass die häufig übliche Definition von Divergenzen als die Veränderung der Standardabweichung bei Inflation und...

This paper studies the design, effects and interactions of monetary and fiscal policies in the euro-area and between the euro-area and the non euro-area. To do so, a stylized three-country model of monetary and fiscal policy rules is constructed. It is analyzed how monetary and fiscal rules...

This paper analyzes the factors underlying the weakness of the euro. For this purpose, the framework advocated by Clarida and Gali (1994) is used. Within this model, three structural shocks drive the dynamics of the endogenous variables: aggregate supply shocks, aggregate spending shocks, and...

Both Japan and parts of the European Monetary Union have experienced boom and bust in stock and real estate markets, which have been followed by a lasting crisis. The paper analyses the role of a high degree of regional heterogeneity for public debt and monetary policy in the context of crisis....

This paper analyzes the factors underlying the weakness of the euro. For this purpose, the framework advocated by Clarida and Gali (1994) is used. Within this model, three structural shocks drive the dynamics of the endogenous variables: aggregate supply shocks, aggregate spending shocks, and...