Research Article

The Influence of Research Reports on Stock Returns: The Mediating Effect of Machine-Learning-Based Investor Sentiment

Table 6

Regression results of investor sentiment and research report.

Model (7)Model (8)Model (9)

0.07310840.0228300
(3.56)(1.43)

0.02116310.0193073
(3.87)(3.56)

0.07062260.07023850.0702248
(28.39)(28.32)(28.34)
0.08479670.08418080.0841621
(3.89)(3.90)(3.90)

0.02417700.02436620.0244300
(1.57)(1.58)(1.58)

−0.0578704−0.0577297−0.0576686
(−2.48)(−2.48)(−2.48)

Constant0.41344460.40245280.4033410
(37.47)(34.37)(34.64)

0.02420.02450.0245
F-statistic180.25176.96151.08
71,03171,03171,031

Notes: t statistics are in parentheses. , , and denote significance at the 0.001, 0.01, and 0.05 level, respectively.