Template-Type: ReDIF-Article 1.0 Author-Name: Victor A. Gorelik Author-Email: vgor16@mail.ru Author-Workplace-Name: Dorodnicyn Computing Centre, Russian Academy of Sciences Author-Name: Tatyana V. Zolotova Author-Email: tgold11@mail.ru Author-Workplace-Name: Financial University under the Government of the Russian Federation Title: On the Equivalence of Optimality Principles of the Investment Portfolio Abstract: The investigation of the problem of the optimal securities portfolio determining is presented using the probability function for the portfolio risk under hypotheses about a normal and an exponential distribution of random return variables. The value of the risk coefficient is obtained, under which the problem of minimizing the probability risk function is equivalent to maximizing the linear convolution of criteria «expectation — variance». Classification-JEL: E22 Keywords: efficiency assessment, risk assessment, risk function, coefficient of risk, parcel of criteria, distribution law Journal: Finansovyj žhurnal — Financial Journal Pages: 67-74 Issue: 2 Year: 2014 Month: June File-URL: http://www.nifi.ru/images/FILES/Journal/Archive/2014/2/07_2_2014.pdf File-Format: Application/pdf Handle: RePEc:fru:finjrn:140207:p:67-74