The q-Gaussian generalization of the Merton framework allows pricing of the additional risk premium related to fluctuations of the variance of the market value of a company's assets, which can explain the observed level of short-term CDS spreads of investment grade issuers. The derived simple...

This chapter explains how the main types of credit derivatives work and how they are valued. Central to the valuation of credit derivatives is an estimation of the probability that reference entities will default. The chapter discusses both the risk-neutral probabilities of default implied from...

As the debt ceiling episode unfolds, we highlight a sharp increase in trading activity and liquidity in the U.S. credit default swaps (CDS) market, as well as a spike in U.S. CDS premiums. Compared with the periods leading up to the 2011 and 2013 debt ceiling episodes, we show that elevated CDS...

We propose an explanation for default contagion based on a Lucas model with two independent debt-financed trees. The transmission mechanism is that variations in the size of one tree impact the level of risk premium and the default decision for all borrowers. If a negative shock hits one tree,...