Importance sampling technique is an effective variance reduction technique in Monte Carlo simulation method for pricing options.
在期权定价的蒙特卡罗模拟中，重要性抽样是一种有效的方差减小技术。
Considering the portfolios credit risk measurement, the use of importance sampling method is superior to crude Monte Carlo method.
因此对于组合信用风险的度量，使用重要抽样方法要优于简单蒙特卡罗方法。
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