6[4]Fama E F,French K R.Size and Book-to-market Factors in Earning and Returns[J].Journal of Finance,1995,50:131-155.
7[6]Barber,Brad M,John D Lyon.Detecting Abnormal Operating Performance:The Empirical Power and Speciation of Test-statistics[J].Journal of Financial Economics,1996,41:359-399.
8Mikkelson W H, Partch M M. Valuation effects of security offerings and the issuance process [J].Journal of Financial Economics, 1986, (15): 31- 60
9Dann L Y, Mikkelson W H. Convertible debt issuance, capital structure change and financing related information: some new evidence[J]. Journal of Financial Economics, 1984, (13): 157-186
10Kang J K, Stulz R M. How different is Japanese corporate finance? An investigation of the information content of new security issues [J].Review of Financial Studies, 1996, (9): 109 - 139