“…However, we can see some degree of geographic concentration, particularly in Taiwan's hotel industry (Shang, Wamg, & Hung, 2010;Ting & Huang, 2012;Wang, Hung, & Shang, 2006a, 2006bWu, Liang, & Song, 2010;Wu et al, 2011), the USA (Hu & Cai, 2004;Morey & Dittman, 2003;Reynolds, 2004;Wöber & Fesenmaier, 2004;) and in Portugal (Barros, 2005a(Barros, , 2005bBarros & Mascarenhas, 2005;Barros & Santos, 2006). Most efficiency studies have focused their analysis on a sample of hotels, taking into account the use of inputs and the generation of specific outputs.…”