Table 5 The consistency of efficiency... | Emerald Publishing

Table 5

The consistency of efficiency ranks across methods

	DEA				SFA
	All	Years	Groups	Both	All	Years	Groups	Both
DEA All	1
DEA Years	0.2903***	1
DEA Groups	0.7961***	0.3018***	1
DEA Both	0.4337***	0.3025***	0.4897***	1
SFA All	0.2160***	0.1504***	0.2088***	0.1932***	1
SFA Years	0.2550***	0.2059***	0.2606***	0.1458***	0.2120***	1
SFA Groups	0.3023***	0.1828***	0.3735***	0.2002***	0.8655***	0.2691***	1
SFA Both	0.2175***	0.1155**	0.2642***	0.3213***	0.0886*	0.1972***	0.1524***	1
ROAA	0.2049**	0.2779***	0.1826*	−0.0546	0.2904***	−0.0520	0.3097***	−0.0688
ROAE	0.2749***	0.1162	0.2578***	0.1606	0.3260***	−0.0401	0.2455***	−0.0424

	DEA				SFA
	All	Years	Groups	Both	All	Years	Groups	Both
DEA All	1
DEA Years	0.2903***	1
DEA Groups	0.7961***	0.3018***	1
DEA Both	0.4337***	0.3025***	0.4897***	1
SFA All	0.2160***	0.1504***	0.2088***	0.1932***	1
SFA Years	0.2550***	0.2059***	0.2606***	0.1458***	0.2120***	1
SFA Groups	0.3023***	0.1828***	0.3735***	0.2002***	0.8655***	0.2691***	1
SFA Both	0.2175***	0.1155**	0.2642***	0.3213***	0.0886*	0.1972***	0.1524***	1
ROAA	0.2049**	0.2779***	0.1826*	−0.0546	0.2904***	−0.0520	0.3097***	−0.0688
ROAE	0.2749***	0.1162	0.2578***	0.1606	0.3260***	−0.0401	0.2455***	−0.0424

Note(s): (*, **, ***) correlation coefficients are significant at the level of 10%, 5% and 1%, respectively