“…2 See among many others Huyck et al (1997), Hey (1998), Willinger and Ziegelmeyer (2001), Hey and Lee (2005), Gächter and Riedl (2006), Wang et al (2010), Ehrhart et al (2007), Keser and Willinger (2007), Manzini et al (2010), Otto and Bolle (2011), Masatlioglu and Uler (2013). 3 See, among others, Crawford (2010), Demuynck and Verriest (2013) and Deb et al (2013) for applications. the predictive success measure is not a stochastic theory: the observations are either inside or outside the predicted set (see Hey (1998) for a discussion).…”