From the view of human resource theory, the cumulative and the aggregative effects that the investment of human resource has result in the phenomenon of profit flow-out. 从人力资本理论来看,人力资本投资存在的累积效应和集合效应使国家助学贷款存在着利益外溢现象。
As an aggregative method of investment, the securities investment fund has appeared for over one hundred years, which is one of the most important investment instruments. 证券投资基金作为一种集合投资方式在西方发达国家有上百年的发展历史,已经成为最重要的投资工具之一。