第一篇：作者：Ball R & P brown   题目：An empirical evaluation of accounting income number    期刊：Journal of Accounting Research  1968（6）
   第二篇：作者：Ball,R,and Kothari,S.P    题目：Security Return Around Earnings Announcement 期刊：The Accounting Review  1991
   第三篇：作者：Lev,Baruch   题目：discussion of On the Usefulness of Earnings and Earnings Research:Lessons and Directions from Two Decades of Empirical Researc    期刊：Journal of Accounting Research  1989