“…This IG-HY segmentation e↵ect may also spill over from bond to CDS trading. A number of other studies, including Tang and Yan (2008), Chen, Fabozzi, and Sverdlove (2010), Bongaerts, de Jong, and Driessen (2011), Chen, Cheng, and Wu (2013), Junge and Trolle (2015) and Arakelyan and Serrano (2016), focus on the CDS market itself and document significant liquidity e↵ects. , Delianedis, Geske, and Corzo (1998), Bohn (2000) and Huang and Huang (2012) use structural approaches to estimating the relationship between actual and risk-neutral default probabilities, generally assuming that the Black-Scholes-Merton model applies to the asset value process, and assuming constant volatility.…”