Neither class of models is useful, however, for providing the practical advice that policymakers need in a crisis. Both are too stylized to be of use when analyzed in the abstract.
但是，对于决策者在危机中所需要哦的实用建议，两类模型都派不上用场。这两类模型过于风格化，只能用于抽象分析。要让它们变得实用，就必须有证据。