定价机制转型对铁矿石价格波动的影响
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尤喆, 成金华, 吴桐, 王然
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Influence of pricing mechanism transferring on iron ore price volatility
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YOU Zhe, Cheng Jinhua, WU Tong, WANG Ran
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表7 非参数检验结果
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Table 7 Results of Non-parametric test
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| (1) | (2) | (3) | (4) | (5) | (6) | Conventional | 0.0849 (0.0704) | -0.044 (0.1064) | 0.000238 (0.0981) | 0.102 (0.0813) | -0.128 (0.1312) | -0.102 (0.1191) | Bias-corre~d | 0.0819 (0.0704) | -0.0792 (0.1064) | -0.0263 (0.0981) | 0.101 (0.0813) | -0.151 (0.1312) | -0.119 (0.1191) | Robust | 0.0819 (0.0839) | -0.0792 (0.1248) | -0.0263 (0.1146) | 0.101 (0.0898) | -0.151 (0.1449) | -0.119 (0.1313) | N | 164 | 164 | 164 | 164 | 164 | 164 |
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