穆迪公司已经开发了许多不同的评级方法和相应的模型,来应对欧洲房屋证券化市场中的各式各样的证券。每一种评级方法都最合适于分析某一特定类型的证券,尽管有些方法的适用范围更为广泛。通常,要联合运用若干模型,因为实际的证券通常介 Moody’s has developed many different rating methods and corresponding models to deal with a wide variety of securities in the European housing securitization market. Each rating method is best suited to analyze a particular type of security, although some apply more widely. Often, several models are used jointly, as actual securities are usually mediated