Mainly as a result of the Basel 2 capital accords, many Banks had put in new systems to calculate their aggregateexposure.
新巴塞尔资本协定使得很多银行采用新系统计算总和暴露值。
2
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.