Evaluation of environmental energy efficiency and its influencing factors: a prefecture-level analysis of Japanese manufacturing industries

Shimizu, Masayuki; Tiku, Oscar

doi:10.1186/s40008-023-00297-9

Journal of Economic Structures

The Official Journal of the Pan-Pacific Association of Input-Output Studies (PAPAIOS)

Table 3 Descriptive statistics of variables

From: Evaluation of environmental energy efficiency and its influencing factors: a prefecture-level analysis of Japanese manufacturing industries

Variables	Abbrev	Mean	Median	Maximum	Minimum	Std. dev
GDP per capita	GDPC	3.401368	3.289773	7.140661	2.149718	0.738384
Food, beverages, and tobacco
Environmental energy efficiency	EEE1	0.920810	0.968887	1.000000	0.226224	0.135005
Environmental energy efficiency	EEE2	0.601457	0.532118	1.000000	0.173755	0.243965
Industry share	IS	0.172521	0.152269	0.502555	0.037058	0.091954
Energy intensity	EI	0.039409	0.038534	0.090207	0.010942	0.015266
Textile
Environmental energy efficiency	EEE1	0.857266	0.939910	1.000000	0.010504	0.204961
Environmental energy efficiency	EEE2	0.615083	0.657794	1.000000	0.002600	0.338428
Industry share	IS	0.037548	0.025726	0.295093	0.002131	0.037052
Energy intensity	EI	0.074382	0.035895	1.108141	0.000979	0.113393
Pulp and paper
Environmental energy efficiency	EEE1	0.805133	0.920144	1.000000	0.115519	0.229445
Environmental energy efficiency	EEE2	0.592195	0.563822	1.000000	0.020474	0.346233
Industry share	IS	0.032359	0.021934	0.233324	− 0.007815	0.032804
Energy intensity	EI	0.244605	0.134847	13.62567	− 6.084518	0.564507
Chemical, oil, and coal
Environmental energy efficiency	EEE1	0.767697	0.831976	1.000000	0.026864	0.239972
Environmental energy efficiency	EEE2	0.506038	0.411533	1.000000	0.008014	0.365214
Industry share	IS	0.117862	0.080769	0.575739	0.005159	0.114533
Energy intensity	EI	0.217801	0.101229	2.143574	0.005064	0.288506
Ceramic, stone, and clay
Environmental energy efficiency	EEE1	0.752341	0.832878	1.000000	0.011854	0.256517
Environmental energy efficiency	EEE2	0.491862	0.419944	1.000000	0.006638	0.355140
Industry share	IS	0.040689	0.033703	0.152767	0.003670	0.025904
Energy intensity	EI	0.165686	0.092359	1.983216	0.002552	0.218453
Iron and steel
Environmental energy efficiency	EEE1	0.819577	0.921584	1.000000	0.010287	0.249648
Environmental energy efficiency	EEE2	0.553741	0.511257	1.000000	0.010287	0.351589
Industry share	IS	0.114141	0.093053	0.571246	0.014973	0.068371
Energy intensity	EI	0.173685	0.075748	2.228091	0.002938	0.232465
Machinery
Environmental energy efficiency	EEE1	0.793271	0.834861	1.000000	0.057321	0.203275
Environmental energy efficiency	EEE2	0.630397	0.619217	1.000000	0.106591	0.252684
Industry share	IS	0.367686	0.372048	0.693636	0.007203	0.136465
Energy intensity	EI	0.014879	0.012336	0.336516	0.000417	0.016248
Manufacturing
Environmental energy efficiency	EEE1	0.871366	0.943024	1.000000	0.077966	0.181047
Environmental energy efficiency	EEE2	0.626923	0.663879	1.000000	0.027070	0.316362
Industry share	IS	0.248252	0.248623	0.518462	0.054886	0.087724
Energy intensity	EI	0.082775	0.051131	0.414106	0.006202	0.080733

Back to article page