摘要
由于影响各种证券价格的微观经济因素各不相同 ,它们相互关联并彼此制约 ,证券组合投资可以有效地降低或消除非系统风险。基于非系统风险对证券投资预期收益率的影响 ,以及对证券投资组合规模适应性的要求 。
Since the factors which influrence the price of securities are different and restrict mutually, the security combinations may reduce or put out the non system risk effectively considering influence of non system risk on the expecting revenue ratio and the demand for the security investment combination scale, investers must make efficient security investment combinations .
出处
《甘肃广播电视大学学报》
2001年第2期41-44,共4页
Journal of Gansu Radio & Television University
