组合证券投资理论 meaning in English

portfolio theory

Based on mpt , the author analyses a fund investment principle , uses equal proportion model on random samples to make a fund - portfolio , demonstrates the rules that fund - portfolio investment risk changes along with the investment size and suggests a rational size for fund - portfolio investment
摘要本文根据组合证券投资理论论述了基金组合投资的原理，使用随机简单等权模型对基金样本进行组合，实证分析了基金组合投资的风险随组合投资规模变化的规律，并指出了对我国基金进行组合投资的合适规模。