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 via principal component analysis to determine the factors, which enter a dynamic model for German GDP. The model is compared with alternative univariate...

We develop a multivariate generalization of the Markov-switching GARCH model introduced by Haas, Mittnik, and Paolella (2004b) and derive its fourth-moment structure. An application to international stock markets illustrates the relevance of accounting for volatility regimes from both a...

From a banking supervisory perspective, this paper analyses aspects of market risk of an aggregated trading portfolio comprised of the trading books of 11 German banks with a regulatory approved internal market risk model. Based on real, clean profit and loss data and Value-at-Risk estimates of...

Tarifvertragliche Öffnungs- und Härtefallklauseln, die es Betrieben ermöglichen, von den Standards der Flächentarifverträge abzuweichen, haben in den vergangenen 15 Jahren starke Verbreitung gefunden. Die ökonomische Idee eines einheitlichen Branchentarifvertrags ist für einige...

This paper illustrates the effects of item-nonresponse in surveys on the results of multivariate statistical analysis when estimation of productivity is the task. To multiply impute the missing data a data augmentation algorithm based on a normal/Wishart model is applied. Data of the German IAB...

In January 2009 Germany introduced incentive regulation for the electricity distribution sector based on results obtained from econometric and nonparametric benchmarking analysis. One main problem for the regulator in assigning the relative efficiency scores are unobserved firm-specific factors...

We use futures instead of forward rates to study the complete maturity spectrum of the forward premium puzzle from two days to six months. At short maturities the slope coefficient is positive, but these turn negative as the maturity increases to the monthly level. Futures data allow us to...

The varieties of capitalism approach (VoC) and the related research assume that German firms adopt an internal flexibility profile that corresponds with the national institutional framework. Recent empirical studies, however, have found substantial diversity in realized firm-level strategies....

Ziel dieser Studie ist die empirisch fundierte Untersuchung der tageszeitlichen Nachfrage nach Serviceleistungen, also der Nachfrage nach Produkten und vertieft nach Dienstleistungen. Zu diesem Zweck greifen wir auf die mehr als 37.000 Zeittagebücher der nationalen Zeitbudgeterhebung 2001/2002...