In the paper a method is presented for estimating optimum points on effective portfolios curve (risk - profit) related to quadratic functions of usability which are very frequently preferred in practice by investors. Generally, also numerical ranges has been established to which belong parameters of usability function as well as parameters related to effective portfolios curve depending on usability function selected and effective portfolios curve obtained
Financed by the National Centre for Research and Development under grant No. SP/I/1/77065/10 by the strategic scientific research and experimental development program:
SYNAT - “Interdisciplinary System for Interactive Scientific and Scientific-Technical Information”.