Accuracy of Premium Calculation Models for CAT Bonds - an Empirical Analysis, Journal of Risk and Insurance, Vol. 78, 2011, demnächst, von M. Galeotti, M. Gürtler und C. Winkelvos.

Measuring concentration risk for regulatory purposes, Journal of Risk, Vol. 12, No. 3, 2010, S. 69-104, von M. Gürtler, M. Hibbeln und C. Vöhringer.

Risk Management in Credit Portfolios - Concentration Risk and Basel II, Contributions to Economics, Springer, Heidelberg 2010, von M. Hibbeln.