“…2 For evidence on training participation, see, e.g., Backes-Gellner et al (2014), Barron et al (1993), Blundell et al (1996), Lynch (1992), Ng (2005), Pischke (2001), Yamauchi et al (2009). For return to labour, see, e.g., Bertrand (2011), Blau and Kahn (2006), Gneezy et al (2003), Goldin (2014), Manning and Swaffield (2008), Statt (1998).…”