而且ETFs的一些组合不是由一系列广泛的股份构成，而是由拥有一个投资银行作为对象的衍生部门构成。
And the portfolios of some ETFs consist not of a broad range of stocks but of a derivative position with an investment bank as a counterparty.
部分华尔街银行已作出反应，剥离了自营交易部门，许多场外衍生品也将被纳入交易所，从而削弱银行丰硕的利润率。
Some Wall Street banks have already shed proprietary trading desks in response, and many over-the-counter derivatives will be pushed on to exchanges, taking away fat profit margins.
IMF试图衡量那些无法获得数据或很少数据的部门的问题：例如，对冲基金，货币市场基金和场外交易衍生产品。
The IMF is trying to measure the problems of sectors where data do not exist or are sparse: for instance, for hedge funds, money-market funds and over-the-counter derivatives.
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