In both samples , differences in pre - expense returns between copycats and actively managed funds declined with the percentage of fund assets that could be identified by the university of chicago ' s center for research in security prices ( crsp ) 在以上两组样本中，能被芝加哥大学证券价格研究中心( crsp )确认的基金持有的资产比例越高，模仿基金和原始基金之间毛利润的差额就越小。
This decision was announced by the financial secretary in the 1998 99 budget speech . with effect from 1 april 1998 , the fiscal reserves previously placed as hong kong dollar deposits with the exchange fund will be actively managed by the hkma as an integral part of the investment portfolio and liquidity portfolio such that the return on these government reserves will be linked to the performance of the exchange fund 财政司司长在一九九八九九年度财政预算案中公布了这项决定，由一九九八年四月一日起，过去以港元存款形式存入外汇基金的财政储备会由金融管理局积极管理，成为投资组合和流动资产组合其中一个重要部分。
