Research Article
Modeling Portfolio Optimization Problem by Probability-Credibility Equilibrium Risk Criterion
Table 3
The optimal solutions of equilibrium optimization model under various values of parameters.
| Parameters | Investment ratios | Objective values | | | | | | | | | EV | | | | | | | | | | | | | | | |
| 0.78 | 0.8 | 0.006 | 0 | 0 | 0.08332 | 0.04127 | 0.02539 | 0.03308 | 0.21540 | 0.05473 | 0.04693 | 0.07931 | 0.03955 | 0 | 0.04148 | 0.07848 | 0.04074 | 0 | 0.12020 | 0.05187 | 0.00402 | 0.07731 | 0 |
| 0.8 | 0.8 | 0.006 | 0 | 0 | 0.06599 | 0.03981 | 0.03508 | 0.03293 | 0.19412 | 0.07107 | 0.06188 | 0.07594 | 0.04273 | 0 | 0.05974 | 0.07214 | 0.02827 | 0 | 0.11136 | 0.04525 | 0.00917 | 0.08748 | 0 |
| 0.82 | 0.8 | 0.006 | 0 | 0.01039 | 0.04343 | 0.03564 | 0.04671 | 0.03271 | 0.16033 | 0.09309 | 0.08176 | 0.06673 | 0.04612 | 0.00108 | 0.08616 | 0.06753 | 0.00916 | 0 | 0.09753 | 0.03613 | 0.01668 | 0.10153 | 0 |
| 0.8 | 0.75 | 0.006 | 0 | 0 | 0.10802 | 0.04491 | 0.01061 | 0.03329 | 0.24738 | 0.02916 | 0.02402 | 0.08360 | 0.03457 | 0 | 0.01334 | 0.08674 | 0.05983 | 0 | 0.13391 | 0.06153 | 0 | 0.06240 | 0 |
| 0.8 | 0.79 | 0.006 | 0 | 0 | 0.07626 | 0.04095 | 0.02916 | 0.03302 | 0.20703 | 0.06120 | 0.05276 | 0.07790 | 0.04081 | 0 | 0.04857 | 0.07578 | 0.03599 | 0 | 0.11685 | 0.04931 | 0.06131 | 0.08131 | 0 |
| 0.8 | 0.82 | 0.006 | 0 | 0.01762 | 0.03796 | 0.03247 | 0.05033 | 0.03261 | 0.14456 | 0.09980 | 0.08373 | 0.06536 | 0.04170 | 0.01818 | 0.09175 | 0.06540 | 0.00562 | 0.00613 | 0.08971 | 0.03125 | 0.01620 | 0.10224 | 0 |
| 0.78 | 0.78 | 0.006 | 0 | 0 | 0.10076 | 0.04330 | 0.01526 | 0.03323 | 0.23748 | 0.03741 | 0.03131 | 0.08249 | 0.03619 | 0 | 0.02234 | 0.08461 | 0.05375 | 0 | 0.12957 | 0.05859 | 0 | 0.06693 | 0 |
| 0.78 | 0.78 | 0.008 | 0 | 0 | 0.07275 | 0.04044 | 0.03112 | 0.03299 | 0.20291 | 0.06426 | 0.05606 | 0.07705 | 0.04148 | 0 | 0.05253 | 0.07474 | 0.03300 | 0 | 0.11520 | 0.04764 | 0.00727 | 0.08355 | 0 |
| 0.78 | 0.78 | 0.009 | 0 | 0 | 0.05231 | 0.03833 | 0.04272 | 0.03282 | 0.17766 | 0.08354 | 0.07411 | 0.07299 | 0.04528 | 0 | 0.07457 | 0.06753 | 0.01768 | 0 | 0.10462 | 0.03948 | 0.01339 | 0.09579 | 0 |
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