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Michael2025-08-04 01:07:42
同学你好,
B选项:Begin monitoring the performance of each model only after the backtest of the model has been successfully completed.【回测之前就要监控,监控是全流程的】
C选项:Ensure that third-party vendor models used by the bank are implemented under the assumptions that were initially provided by the vendor.【现实世界是多变的,模型设计之初的假设条件很有可能不再相同,这个时候模型依然可以使用,但是需要调整。最典型的案例应该就是次贷危机期间的CDO模型使用了早期的相关系数估计,没有在危机期间调整相关系数参数导致模型结果出错】
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