Portfolio allocation to corporate bonds with correlated defaults

Journal of Risk click here
Online References:
Das, S., Fong, G. and Geng, G. (2001). The impact of correlated default risk on credit portfolios. Journal of Fixed Income 11(3), 9–19.

Rebonato, R. and Jäckel, P. (2000). The most general methodology for creating a valid correlation matrix for risk management and option pricing purposes. The Journal of Risk 2(2), 17–26.

Zhou, C. (2001). An analysis of default correlations and multiple defaults. The Review ofFinancial Studies 12(2), 555–76.