- Artikel in einem Sammelwerk / Postprint (9) (entfernen)
- Englisch (9) (entfernen)
- Risk-Neutral Densities and Catastrophe Events (2012)
- In this research, we analyze the impact of catastrophe events on riskneutral densities which can be implied from European option markets. As catastrophe events we consider the destruction of the nuclear power plant at Fukushima and the downgrading of U.S. sovereign debt in 2011. In an event study, we analyze the impact on European blue chip index options traded at EUREX. We find that after a short adaption period, probability mass of especially risk-neutral density functions derived from long-term options is shifted toward the right side. Thus, very good states of the economy become more expensive indicating higher prices for deep out-ofthe- money options. This signifies that there has been speculation on a recovery of the German stock market after the shocks.
- The New Basel Capital Accord (2005)
- This paper addresses the capital requirements based on the RiskMetrics™ framework and the BIS standard model. A case study is developed which shows that the capital requirements can be reduced by applying the more accurate RiskMetrics™ framework. Furthermore it gives an overview of the capital requirement rules for credit risk and operational risk in the Basel II Accord.
- International Corporate Risk Management : A Comparison of Three Major Airlines (2005)
- In addition to catastrophe and operational risks like e.g. the terrorist attacks on the World Trade Center airlines are exposed to substantial capital market risks. This study examines the cases of three major airlines including Lufthansa, United Airlines, and Qantas. Their risk profiles are analyzed with respect to commodity and exchange rate risks by applying the “Earnings at Risk”-concept to the profit and loss statements of the year 2003. Furthermore, potential hedging strategies are explored. It turns out that airlines are especially sensitive to movements of the oil price. However, hedges can provide (partial) protection against adverse movements of the risk factors.