1. Security returns around earnings announcements;Ball;The Accounting Review,1991
2. The investment aspect of nonproduction expenditures: An empirical test;Ben Zion;Journal of Economics and Business,1978
3. Explicit and implicit tax effects of the R&D tax credit;Berger;Journal of Accounting Research,1993
4. Evidence that stock prices do not fully reflect the implications of current earnings for future earnings;Bernard;Journal of Accounting and Economics,1990
5. The information in discretion outlays: Advertising, research and development;Bublitz;The Accounting Review,1989