Zusammenfassung Die vorliegende Arbeit untersucht die Entwicklung der Unternehmensinvestitionen in der Bundesrepublik Deutschland für den Zeitraum von 1968 bis 1989 auf der Basis von nicht saisonbereinigten Quartalsdaten. Dabei wird die Technik der saisonalen Kointegration im Rahmen eines...

Summary This paper discusses a large-scale factor model for the German economy, Following the recent literature, a data set of 121 time series is used to determine the factors by principal component analysis. The factors enter a linear dynamic model for German GDP. To evaluate its empirical...

Summary We investigate price level convergence on the base of regional data for 439 German districts. Prices refer to the overall consumer price index as well as to the index without housing prices. To increase the efficiency of the testing framework, the analysis is based on panel unit root...