P Morgan (1997) based on Var, the KMV model based upon option theories established by KMV Company, and through the Credit Risk Model developed by the Swiss Credit Bank based on the insurance calculating methods.

• P Morgan(1997)建立的以Var为基础的信用风险度量模型(Credit Metrics)，KMV公司建立的以期权理论为基础的KMV模型和瑞士信贷银行建立的以保险精算方法为基础的Credit Risk模型，对住房信贷的风险进行分析。