基于二部图的P2P网络借贷投资组合决策方法 *
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丁勇,程璐,蒋翠清
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Choosing Portfolios Based on Bipartite Graph of P2P Lending Networks
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Yong Ding,Lu Cheng,Cuiqing Jiang
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表2 K=10时投资比重
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| 投资者 | w1 | w2 | w3 | w4 | w5 | w6 | w7 | w8 | w9 | w10 | Ri | Ei | | 1 | 1.38% | 11.19% | 1.46% | 1.29% | 0.03% | 5.01% | 64.45% | 2.13% | 12.01% | 1.05% | 0.54% | 15.00% | | 2 | 4.18% | 6.67% | 28.27% | 1.04% | 6.43% | 0.16% | 0.07% | 32.16% | 11.46% | 9.56% | 0.52% | 12.27% | | 3 | 3.09% | 6.37% | 4.12% | 0.02% | 72.47% | 10.13% | 0.72% | 1.80% | 1.02% | 0.27% | 0.49% | 9.88% | | 4 | 0.68% | 12.63% | 0.00% | 2.23% | 72.80% | 0.06% | 2.41% | 1.46% | 2.44% | 5.28% | 0.57% | 14.62% | | 5 | 0.67% | 1.76% | 1.51% | 5.47% | 10.41% | 1.42% | 73.77% | 0.01% | 2.35% | 2.63% | 0.56% | 12.31% |
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