Die vorliegende Expertise "Konzept für ein wirtschaftliches System periodischer regionaler Preisvergleiche" beschäftigt sich - dem Auftrag entsprechend - vorwiegend mit der Gewinnung von Daten zu Wohnungsmieten, die für den regionalen Vergleich geeignet sind. Da sich bei der Weiterentwicklung...

The Bavarian Ministry of Economics published a comparison between price and income levels of various municipalities of Bavaria based on the current monthly statistics of consumer prices. This widely disseminated official publication gained much attention and served to plead a cause in the German...

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 refers to the ESS Guidelines on Seasonal Adjustment and gives an example of how to use them in times of crisis. Taking as a basis the example of Argentine currency in circulation, a comparison is made between revisions from readjusting data every time a new figure is released...

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...

“Which index formula at the elementary level, where no expenditure share weights are available, corresponds to a desired aggregate index?” To answer this question, this paper develops a statistical approach. It proposes a theoretical framework which makes it possible to achieve numerical...

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...