“…Second, McLean and Pontiff (2012) document a general decline in anomaly returns after investors learn about anomalies through academic publications. Thus, one would expect greater underreaction to earnings news (i.e., a smaller initial reaction and larger PEAD) in the pre- 107 For recent studies of PEAD, see Yifan, Nekrasov, and Teoh (2020), He and Narayanamoorthy (2020), Beaver, McNichols and Wang (2020), Ali, Chen, Yao, and Yu (2020), Hirshleifer, Peng, and Wang (2019), Thomas, Zhang, and Zhu (2021), Li and Lytvynenko (2021), Meursault, Liang, Routledge, and Scanlon (2021). In addition, see , Barber and Odean (2000), Bartov (1992), Bartov, Krinsky, and Radhakrishnan (2000), Hirshleifer and Teoh (2003), ), Campbell, Ramadorai, and Schwartz (2009, Baker et al (2010), Ke and Ramalingegowda (2005), Taylor (2010), Ayers et al (2011), Hirshleifer, Lim, and, DellaVigna andPollet (2009), and.…”