Das Projekt analysiert die Preiswirkungen der Mehrwertsteuersenkung im Juli 2020 sowie die der entsprechenden Anhebung im Januar 2021 im Rahmen des Konjunkturpakets der Bundesregierung im Zuge der Corona-Pandemie. Die Untersuchung basiert auf Scannerdaten der GfK, die Informationen über die...

Research with Keynesian-style models has emphasized the importance of the output gap for policies aimed at controlling inflation while declaring monetary aggregates largely irrelevant. Critics, however, have argued that these models need to be modified to account for observed money growth and...

Research with Keynesian-style models has emphasized the importance of the output gap for policies aimed at controlling inflation while declaring monetary aggregates largely irrelevant. Critics, however, have argued that these models need to be modified to account for observed money growth and...

Using a set of regional inflation rates we examine the dynamics of inflation dispersion within the U.S.A., Japan and across U.S. and Canadian regions. We find that inflation rate dispersion is significant throughout the sample period in all three samples. Based on methods applied in the...

Using a unique data set of regional inflation rates we are examining the extent and dynamics of inflation dispersion in major EMU countries before and after the introduction of the euro. For both periods, we find strong evidence in favor of mean reversion (amp;#946;-convergence) in inflation rates....

Studies employing micro price data to examine the extent of international goods market integration tend to find that borders imply arbitrage-impeding transaction costs, inducing market segmentation. Within monetary unions, these effects are found to be very minor though, at least when online...

We study how millions of granular and weekly household scanner data combined with machine learning can help to improve the real-time nowcast of German inflation. Our nowcasting exercise targets three hierarchy levels of inflation: individual products, product groups, and headline inflation. At...