共 36 条
[2]
BROWN S, 1984, UNPUB J FINANCIAL EC
[8]
ECKBO E, 1986, J FINANC ECON, V15, P119
[9]
Fama E.F., 1969, INT ECON REV, V10, DOI [DOI 10.2307/2525569, 10.2307/2525569]