网络股评“发布者-关注者”BSI与股票市场关联性研究*
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张宁, 尹乐民, 何立峰
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Impacts of “Poster-Follower” Sentiment on Stock Market Performance
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Zhang Ning,Yin Lemin,He Lifeng
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表7 模型二回归分析结果(因变量为“上证综指收益率”R, 样本数量N=244) |
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变量 | M1 | BSIla | BSIlm | BSIra | BSIrm | M2 | M3 | M4 | M2 | M3 | M4 | M2 | M3 | M4 | M2 | M3 | M4 | 系数 | 系数 | 系数 | 系数 | 系数 | 系数 | 系数 | 系数 | 系数 | 系数 | 系数 | 系数 | 系数 | (t值) | (t值) | (t值) | (t值) | (t值) | (t值) | (t值) | (t值) | (t值) | (t值) | (t值) | (t值) | (t值) | BSI1t | | 4.421*** | | | 4.475*** | | | 5.858*** | | | 2.040*** | | | | (9.330) | (-9.455) | (-11.779) | (-5.923) | BSI1(t-1) | | -1.917*** | | | -1.806*** | | | -2.880*** | | | -0.621 | | | | (-4.064) | (-3.821) | (-5.835) | (-1.826) | BSI2t | | | 0.713*** | | | 0.736*** | | | 1.272*** | | | 1.013*** | | | (7.995) | (-8.173) | (-11.281) | (-5.267) | BSI2(t-1) | | | -0.307*** | | | -0.300*** | | | -0.622*** | | | -0.209 | | | (-3.416) | (-3.311) | (-5.538) | (-1.076) | BSI3t | | | | 2.205*** | | | 2.237*** | | | 2.929*** | | | 1.021*** | | (9.370) | (-9.455) | (-11.779) | (-5.932) | BSI3(t-1) | | | | -0.962*** | | | -0.903*** | | | -1.440*** | | | -0.311 | | (-4.055) | (-3.822) | (-5.835) | (-1.832) | TR | 0.554*** | 0.446** | 0.469** | 0.442** | 0.440** | 0.469** | 0.440** | 0.404** | 0.387** | 0.404** | 0.431** | 0.451** | 0.431** | (3.286) | (2.937) | (3.031) | (2.971) | (-2.953) | (-3.066) | (-2.953) | (-2.859) | (-2.677) | (-2.859) | (-2.683) | (-2.756) | (-2.684) | FR | -0.391*** | -0.342*** | -0.369*** | -0.341*** | -0.334*** | -0.363*** | -0.334*** | -0.295*** | -0.297*** | -0.295*** | -0.336*** | -0.328*** | -0.336*** | (-4.631) | (-4.582) | (-4.809) | (-4.607) | (-4.505) | (-4.765) | (-4.505) | (-4.230) | (-4.162) | (-4.230) | (-4.145) | (-3.914) | (-4.150) | 常数项 | -0.593 | -2.008*** | -0.691* | -0.748** | -2.120*** | -0.724* | -0.786** | -2.307*** | -0.760** | -0.818** | -1.341*** | -0.628* | -0.632* | (-1.777) | (-2.634) | (-2.341) | (-4.768) | (-4.897) | (-2.464) | (-2.773) | (-5.548) | (-2.861) | (-3.127) | (-3.271) | (-1.982) | (-2.018) | F | 11.980*** | 46.563*** | 34.081*** | 46.238*** | 47.615*** | 35.709*** | 47.615*** | 75.529*** | 69.446*** | 75.529*** | 18.659*** | 14.390*** | 18.718*** | R2 | 0.093 | 0.353 | 0.299 | 0.351 | 0.357 | 0.306 | 0.357 | 0.451 | 0.433 | 0.451 | 0.219 | 0.193 | 0.219 | ΔR2 | 0.093*** | 0.260*** | 0.206*** | 0.259*** | 0.264*** | 0.214*** | 0.264*** | 0.358*** | 0.340*** | 0.358*** | 0.126*** | 0.100*** | 0.126*** |
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