“…Although there is some evidence of negative effect of SSA on earnings (Bedard & Dhuey, 2012;Solli, 2012), most papers (Lincove & Painter, 2006;Dobkin & Ferreira, 2010;Fredriksson &Öckert, 2006Fredriksson &Öckert, , 2013Crawford et al, 2013c) find that SSA does not affect earnings. Zweimuller (2012) shows that there is a positive initial wage gap between late and early school starters, but this wage gap disappears after three years. Moreover, Fredriksson &Öckert (2006Fredriksson &Öckert ( , 2013 find a small negative effect of SSA on lifetime earnings and Black et al (2011) provide evidence of negative SSA effect on wages at age 30.…”