“…Various studies find that R&D expenditures offer a great opportunity for growth (McConnell and Musurella, 1985 ;Smith and Watts, 1992 ;Baber et al, 1996;Ho et al, 2006) , improve benefit (Connolly and Hirshey, 1984 ;Chan et al, 1990;Sougiannis, 1994;Chan et al, 2001), productivity (Sougiannis, 1994 ;Lev, 1999 ;Aboody et Lev, 2000 ;Ding et al, 2003 ;Ding et al, 2007), and stock performance (Ben-Zion, 1978;Griliches, 1981;Hirschey, 1982). However, the nature of R&D investments highlights the importance of R&D discretion.…”