In order to make the Modern Portfolio Theory more practical in investment activities,this article introduces a way of adding transaction costs to the MPT model,extending the holding period from single-period to multi-period and incorporating the investment portfolio s worst outcome into the investor s object function.
本文将交易费引入投资组合模型,使经典投资组合理论更具有实用性,将投资持有期扩展为多个时期,并把投资组合的最坏收益引入投资者的目标函数,从而得到了一个新的理论模型。
We establish the worst-case sequential and predetermined algorithms with the minimal number of tests.
论文构造出具有最少试验次数的最坏情况序列算法以及最坏情况预确定算法。