“…More and more authors, however, are using measures of deficits/surpluses in skills or competences (Allen & van der Velden, 2001;Green et al, 2002;McGuinness, 2003;Allen & de Weert, 2007;Green & McIntosh, 2007;McGuinness & Wooden, 2007;Mavromaras et al, 2010;McGuinness & Sloane, 2011) 4 . An initial conclusion emerging from this literature is that, quite unexpectedly, educational and skills mismatches are only weakly correlated, indicating that perhaps they are distinct empirical phenomena that need to be studied separately 5 .…”