Inflation rates of more than 3% in Germany during some months in the spring and summer of 2008 have been giving rise to claims from both politicians and the unions for social measures for welfare recipients. It is argued that the burden of inflation is heterogeneously distributed among different...

Als die Inflationsraten in Deutschland Mitte 2008 relativ hoch waren, wurde die vermeintlich starke Belastung unterer Einkommensschichten durch die Teuerung öffentlich diskutiert. Dagegen kommen Claus Christian Breuer und Jens Mehrhoff in ihrer detaillierten empirischen Analyse zu dem Ergebnis,...

The well-known problem of too many instruments in dynamic panel data GMM is dealt with in detail in Roodman (2009, Oxford Bull. Econ. Statist.). The present paper goes one step further by providing a solution to this problem: factorisation of the standard instrument set is shown to be a valid...

The well-known problem of too many instruments in dynamic panel data GMM is dealt with in detail in Roodman (2009, Oxford Bull. Econ. Statist.). The present paper goes one step further by providing a solution to this problem: factorisation of the standard instrument set is shown to be a valid...

Seasonally adjusted gross domestic product (GDP) data are inevitably surrounded by uncertainty. Disregarding methodological improvements, two main sources of revisions can be distinguished: First, revisions that reflect the incorporation of more comprehensive or more representative, but...

The present paper explores, both theoretically and empirically, the bias of unit value indices as opposed to genuine price indices in foreign trade. An analysis of German data reveals conceptual and methodological differences, and their impact on economic indicators, namely imported inflation,...