Faced with the problem of pricing complex contingent claims, investors seek to make their valuations robust to model uncertainty. We construct a notion of a modeluncertainty-induced utility function and show that model uncertainty increases investors' effective risk aversion. Using this utility...

The eight years from 2000 to 2008 saw a rapid growth in the use of securitization by UK banks. We aim to identify the reasons that contributed to this rapid growth. The time period (2000 to 2010) covered by our study is noteworthy as it covers the pre-financial crisis credit-boom, the peak of...

We study the joint credit risk in the UK banking sector using the weekly CDS spreads of global systemically important banks over 2007-2015. We show that the time-varying and asymmetric dependence structure of the CDS spread changes is closely related to the joint default probability that two or...