“…One bias in selfperception, as shown in extant literature, is the tendency toward overconfidence. Numerous studies suggest that overestimation or overconfidence-"believing you are better than you are in reality" (Johnson & Fowler, 2011)-is also frequently seen in experts across a wide range of professions, ranging from business operation (Galasso & Simcoe, 2011;Malmendier & Tate, 2005;Schrand & Zechman, 2012) and marketing management (Mahajan, 1992) to financial investment (Barber & Odean, 2001), health care (Baumann et al, 1991), engineering (Lin & Bier, 2008), professional sports (Massey & Thaler, 2010), political economy (Scheinkman & Xiong, 2003), and policy decision making (Hafner-Burton, Hughes, & Victor, 2013;Tetlock, 2005). Numerous studies suggest that overestimation or overconfidence-"believing you are better than you are in reality" (Johnson & Fowler, 2011)-is also frequently seen in experts across a wide range of professions, ranging from business operation (Galasso & Simcoe, 2011;Malmendier & Tate, 2005;Schrand & Zechman, 2012) and marketing management (Mahajan, 1992) to financial investment (Barber & Odean, 2001), health care (Baumann et al, 1991), engineering (Lin & Bier, 2008), professional sports (Massey & Thaler, 2010), political economy (Scheinkman & Xiong, 2003), and policy decision making (Hafner-Burton, Hughes, & Victor, 2013;Tetlock, 2005).…”