We present an analysis of VaR forecasts and P&L-series of all 13 German banks that used internal models for regulatory purposes in the year 2001. To this end, we introduce the notion of well-behaved forecast systems. Furthermore, we provide a series of statistical tools to perform our analyses....

For the U.S it has been shown that insiders and their imitators, on average, do not earn profits net of transaction costs. For Germany, we find that profitable insider trading is related to index membership. For the TecDAX, we find for purchases that insiders and imitators earn large and...

Using data on all firms listed in the top segment of the Frankfurt Stock Exchange during the years 1960 to 2007, we investigate how the (Sharpe-Lintner) CAPM performs under the assumption that the German capital market is totally segmented from other capital markets. We also check whether this...

Previous estimates of the mean 3-year buy-and hold abnormal returns of German IPO stocks range from -52.20% to 1.66%. It is difficult to justify this significant variation in abnormal returns, given the almost identical calculation procedures and the large overlap in sample periods. We argue...

According to the Sharpe-Lintner capital asset pricing model, expected rates of return on individual stocks differ only because of their different levels of non-diversifiable risk (beta). However, Fama/French (1992) show that the two variables size and book-to-market ratio capture the...

We study the performance of conditional asset pricing models in explaining the German cross-section of stock returns. Our test assets are portfolios sorted by size and book-to-market as in the paper by Fama and French (1993). Our results show that the empirical performance of the Capital Asset...