“…See, for example,Bazerman and Farber (1985),Farber and Bazerman (1986),Bloom (1986),Olson et al (1992) andAshenfelter et al (1992).3 SeeAnderson (1981),Gordon et al (1984) andOlson et al (1992). 4 See, for example,Ashenfelter and Bloom (1984),Faurot and McAllister (1992),Burgess and Marburger (1993) andCurrie (1994).…”