Applying Meta-Frontier Approaches to Profitability Estimation: In Case of the Effects of Official Independent Directors

Table 5

Average common boundary efficiency and technical gap for each group.

Year	Listed company with official independent director (GOV)			Listed company without official independent director (NO-GOV)
	TE	TGR	TE	TE	TGR	TE
2010	0.791	0.700	0.604	0.834	0.765	0.670
2011	0.851	0.945	0.793	0.822	0.884	0.766
2012	0.806	0.899	0.831	0.849	0.783	0.735
2013	0.842	0.819	0.700	0.819	0.848	0.748
2014	0.894	0.815	0.694	0.820	0.859	0.748
2015	0.857	0.699	0.652	0.775	0.869	0.725