Aggregaterisk: risk that affects all economic actors at once.
市场风险：影响股市上所有公司的风险。
2
We can then use either a stored procedure or a user-defined aggregate to calculate the average risk for each branch.
那么，我们可以使用存储过程或用户定义的聚集来计算每个支行的平均风险。
3
By talking to prime brokers (the arms of Banks that serve hedge funds), the authorities have also been able to monitor the aggregate level of hedge-fund exposure, and thus systemic risk.