Political risk represents an important hidden transaction cost that reduces international trade. This paper investigates the claim that German public export credit guarantees (Hermes guarantees) mitigate this friction to trade flows and hence promote exports. We employ an empirical trade gravity...

This paper discusses a factor model for estimating monthly GDP using a large number of monthly and quarterly time series in real-time. To take into account the different periodicities of the data and missing observations at the end of the sample, the factors are estimated by applying an EM...

In this paper we investigate the volatility structure of the German stock marketDieses Arbeitspapier analysiert Veränderungen der Volatilität des Deutschen Aktienindex (DAX) und der in ihm enthaltenen Aktienwerte. Ein kürzlich entwickelter Test zeigt einen Bruch im Ausmaß der Schwankungen...