Table 4 Descriptive statistics of cost... | Emerald Publishing

Table 4

Descriptive statistics of cost efficiency according to SFA and DEA

	DEA				SFA
	All	Years	Groups	Both	All	Years	Groups	Both
Mean	0.6044	0.7411	0.6476	0.906	0.9334	0.9535	0.9208	0.9755
Median	0.5665	0.79	0.605	1	0.9601	0.9972	0.9729	0.9979
Std. Dev.	0.1864	0.2586	0.2099	0.0203	0.0881	0.0811	0.1173	0.0632
Min	0.248	0.007	0.248	0.348	0.3585	0.5607	0.3226	0.5756
Max	1	1	1	1	0.9992	0.9999	0.9997	0.9999
Skewness	0.6548	−0.8725	0.3583	−1.439	−2.5937	−2.336	−2.3087	−3.7855
Kurtosis	2.5741	3.0915	1.9013	4.1522	11.666	8.1495	8.4157	18.1363
Obs	410	410	410	410	410	410	410	410

	DEA				SFA
	All	Years	Groups	Both	All	Years	Groups	Both
Mean	0.6044	0.7411	0.6476	0.906	0.9334	0.9535	0.9208	0.9755
Median	0.5665	0.79	0.605	1	0.9601	0.9972	0.9729	0.9979
Std. Dev.	0.1864	0.2586	0.2099	0.0203	0.0881	0.0811	0.1173	0.0632
Min	0.248	0.007	0.248	0.348	0.3585	0.5607	0.3226	0.5756
Max	1	1	1	1	0.9992	0.9999	0.9997	0.9999
Skewness	0.6548	−0.8725	0.3583	−1.439	−2.5937	−2.336	−2.3087	−3.7855
Kurtosis	2.5741	3.0915	1.9013	4.1522	11.666	8.1495	8.4157	18.1363
Obs	410	410	410	410	410	410	410	410