Analysis on Logistics Efficiency Measurement of New Western Land-Sea Corridor under the Background of “Double Carbon” and Ecological Environment Protection

Table 10

Malmquist–Luenberger productivity index of logistics industry in the new western land-sea corridor.

Year	Efficiency change index	Technical change index	Pure technical efficiency change index	Scale efficiency change index	Malmquist–Luenberger productivity index
2010-2011	0.997	1.178	1.008	0.989	1.175
2011-2012	1.054	0.958	1.014	1.040	1.007
2012-2013	0.974	1.104	1.008	0.966	1.074
2013-2014	1.004	1.077	1.016	0.990	1.083
2014-2015	0.983	1.199	1.003	0.982	1.157
2015-2016	0.939	1.046	0.993	0.945	0.981
2016-2017	0.998	0.995	0.995	1.003	0.994
2017-2018	0.983	1.040	0.994	0.992	1.022
2018-2019	0.937	0.999	0.990	0.947	0.936
Average	0.985	1.066	1.002	0.984	1.048