“…Some descriptive statistics can be found in Table 3. The choice of these variables is based on the previous literature (Garcia et al, 2005;Carpentier et al, 2006;Chong et al, 2006aChong et al, , 2006bMartínez-Espiñeira et al, 2009;Thorsten et al, 2009;Ruester and Zschille, 2010;González-Gómez et al, 2011) and is conditioned by the availability of statistical information.…”