If There Appears a Path to Improve Chinese Logistics Industry Efficiency in Low-Carbon Perspective? A Qualitative Comparative Analysis of Provincial Data

Table 3

Descriptive statistics of logistics industry efficiency explanatory variables from 2008 to 2017.

Variable		2008	2009	2010	2011	2012	2013	2014	2015	2016	2017
Management level (5A)	Mean	14.37	24.67	35.07	42.83	59.27	76.07	93.07	108.00	127.47	151.90
	Std dev	16.79	27.43	38.10	46.25	64.71	79.75	95.38	110.52	130.39	156.73
	Min	0.00	2.00	3.00	6.00	10.00	10.00	12.00	13.00	14.00	16.00
	Max	62.00	101.00	153.00	191.00	268.00	325.00	378.00	435.00	506.00	591.00
Economic environment (GDP)	Mean	10894.13	12163.55	13758.40	15378.69	16957.23	18558.66	20089.41	21656.03	23240.75	24920.95
	Std dev	8652.10	9582.53	10748.84	11832.36	12868.62	14001.82	15147.13	16367.12	17595.76	19234.03
	Min	961.53	1058.64	1220.62	1385.40	1555.14	1723.10	1881.62	2035.92	2198.79	2359.30
	Max	35696.50	39159.00	44014.70	48416.20	52364.80	56815.80	61226.80	66122.20	71083.70	76445.81
Opening to the outside world (Open)	Mean	0.24	0.22	0.04	0.05	0.05	0.05	0.05	0.05	0.04	0.05
	Std dev	0.25	0.24	0.04	0.05	0.06	0.06	0.06	0.06	0.05	0.07
	Min	0.02	0.03	0.01	0.01	0.01	0.01	0.01	0.01	0.01	0.01
	Max	1.05	1.02	0.18	0.20	0.22	0.23	0.24	0.21	0.18	0.26
Regulations and rules (Regu)	Mean	316.96	305.91	285.43	303.56	298.55	264.10	221.74	208.93	138.14	126.34
	Std dev	221.43	210.97	197.35	203.11	196.31	181.22	157.20	251.79	97.04	119.37
	Min	41.10	30.30	22.20	21.10	26.60	24.10	26.20	17.00	12.30	12.70
	Max	948.80	780.80	952.50	880.60	881.00	739.10	623.90	1416.20	459.50	519.70
Scientific and technological innovation (R&D)	Mean	89.38	107.03	147.36	199.82	240.04	277.26	308.88	333.89	365.18	400.42
	Std dev	110.09	127.79	175.13	241.20	289.72	333.30	371.98	409.73	451.37	509.41
	Min	0.63	1.44	4.75	5.78	7.81	8.95	9.25	6.50	7.79	7.48
	Max	410.96	500.07	719.96	899.89	1080.31	1239.57	1376.54	1520.55	1676.27	1865.03