具有择时能力的基金经理在牛市时降低现金头寸或提高基金组合的β值。()
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Compared with the rare school killings, children are more likely to be killed in the streets or in their homes because of ______ that begun in the mid-1980s.
为了减少年度的应付税款,国债和企业债券的互换属于税差互换。()
A. 对
B. 错
股票投资组合管理的目的就是分散风险和实现收益最大化。()
A. 对
B. 错
市场间利差互换是同一市场之间债券的互换。()
A. 对
B. 错