1 Introduction |
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1 | (20) |
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1.1 Background and Research Objects |
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1 | (3) |
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4 | (8) |
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4 | (1) |
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1.2.2 Numerical Scales and Hesitant Fuzzy Preferences |
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5 | (2) |
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1.2.3 Portfolio Selection Theory and Hesitant Fuzzy Portfolio Methods |
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7 | (2) |
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1.2.4 Data Envelopment Analysis and Fuzzy Data Envelopment Analysis |
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9 | (2) |
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1.2.5 VaR and Fuzzy VaR Measures |
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11 | (1) |
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12 | (1) |
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13 | (2) |
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15 | (6) |
2 Investment Decision Making Based on the Asymmetric Hesitant Fuzzy Sigmoid Preference Relations |
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21 | (28) |
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2.1 Definition and Analysis of the ASNS |
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21 | (8) |
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22 | (4) |
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2.1.2 Some Properties of the ASNS |
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26 | (3) |
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2.2 AHSPR and Its Prioritization Method |
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29 | (8) |
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30 | (4) |
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2.2.2 Approximate Translation Method for Ranking the AHSPRs |
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34 | (3) |
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2.3 Investment Decision-Making Method Based on the AHSPR |
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37 | (1) |
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2.4 Illustrative Example and Result Analysis |
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38 | (10) |
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2.4.1 Background and Calculations |
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39 | (4) |
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43 | (5) |
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48 | (1) |
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48 | (1) |
3 Investment Decision Making Based on the Hesitant Fuzzy Trade-Off and Portfolio Selection |
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49 | (26) |
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3.1 Return and Risk Under the Hesitant Fuzzy Environment |
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49 | (2) |
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3.2 Portfolio Selection for the General Investor Under the Hesitant Fuzzy Environment |
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51 | (6) |
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3.2.1 Portfolio Selection Based on the Hesitant Fuzzy Max-Score Rule |
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51 | (3) |
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3.2.2 Investment Opportunity and Efficient Frontier Analysis |
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54 | (3) |
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3.3 Portfolio Selection for the Risk Investor Under the Hesitant Fuzzy Environment |
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57 | (8) |
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3.3.1 Optimal Portfolio Selection Based on the Hesitant Fuzzy Trade-off Rule |
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58 | (4) |
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3.3.2 Investment Opportunity and Efficient Frontier Analysis |
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62 | (3) |
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3.4 Portfolio Selection Method of Risk Investment Under the Hesitant Fuzzy Environment |
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65 | (1) |
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3.5 Illustrative Example and Result Analysis |
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66 | (6) |
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3.5.1 Example and Calculations |
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67 | (3) |
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70 | (2) |
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72 | (1) |
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72 | (3) |
4 Investment Decision Making Based on the Hesitant Fuzzy Preference Envelopment Analysis |
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75 | (20) |
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4.1 Efficiency Measurement and Envelopment Analysis of the HFS |
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76 | (4) |
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4.1.1 Division Law and Envelopment Efficiency Measurement of the HFS |
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76 | (2) |
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4.1.2 Dual Form and Calculation Model of HFEA |
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78 | (2) |
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4.2 Alternative Improvement Based on the HFEA Model |
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80 | (1) |
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4.3 Hesitant Fuzzy Preference Envelopment Analysis |
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81 | (5) |
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4.3.1 Attribute Difference Description and the Preference HFEA Model |
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81 | (4) |
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4.3.2 Alternative Improvement Calculation Based on the HFPEA |
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85 | (1) |
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4.4 Investment Decision-Making Method Based on the HFEA and HFPEA Models |
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86 | (1) |
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4.5 Illustrative Example and Result Analysis |
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87 | (6) |
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4.5.1 Background and Calculations |
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88 | (3) |
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91 | (2) |
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93 | (1) |
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94 | (1) |
5 Investment Decision Making Based on the Hesitant Fuzzy Peer-Evaluation and Strategy Fusion |
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95 | (22) |
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5.1 Hesitant Fuzzy Peer-Evaluation Model |
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95 | (7) |
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96 | (1) |
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5.1.2 Peer Evaluation Under the Hesitant Fuzzy Environment |
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97 | (1) |
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5.1.3 The Hesitant Fuzzy Peer-Evaluation Model |
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98 | (4) |
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5.2 Hesitant Fuzzy Generalized Peer-Evaluation Model and Strategy Fusion |
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102 | (1) |
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5.3 Strategy Parameter Selection and Estimation |
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103 | (4) |
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5.4 Illustrative Example and Result Analysis |
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107 | (8) |
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5.4.1 Background and Calculations |
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107 | (5) |
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112 | (3) |
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115 | (1) |
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116 | (1) |
6 Investment Decision Making Based on the EHVaR Measurement and Tail Analysis |
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117 | (24) |
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6.1 HFS, PHFS and Their Tail Information |
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118 | (2) |
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6.2 VaR Measurements of the PHFE and Tail Decision Making |
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120 | (6) |
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121 | (2) |
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123 | (2) |
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6.2.3 Tail Decision Making Based on the EHVaR |
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125 | (1) |
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6.3 Investment Decision-Making Method Based on the EHVaR |
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126 | (6) |
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6.3.1 Dynamic Programming Model to Calculate the Dynamic Weights of Investors |
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126 | (3) |
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6.3.2 Tail Investment Decision-Making Steps Based on the EHVaR |
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129 | (3) |
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6.4 Illustrative Example and Result Analysis |
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132 | (7) |
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6.4.1 Background and Calculations |
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132 | (6) |
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138 | (1) |
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139 | (1) |
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140 | (1) |
7 Conclusions |
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141 | |
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141 | (2) |
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143 | |