Construction and Application of Relationship Model between Development of Mining Industry and Carbon Emission of Energy Consumption

Table 2

Analysis model of decoupling state of carbon emission.

State	State symbol	State value	%∆Ci	%∆Gi	ei
Strong decoupling	+I	3	<0	>0	e < 0
Weak decoupling	+II	2	>0	>0	0 < e < 0.8
Decline decoupling	+III	1	<0	<0	e > 1.2
Expansion connection	+IV	0	>0	>0	0.8 ≤ e ≤ 1.2
Recession connection	−IV	0	<0	<0	0.8 ≤ e ≤ 1.2
Expansion negative decoupling	−III	−1	>0	>0	e > 1.2
Weak negative decoupling	−II	−2	<0	<0	0 < e < 0.8
Strong negative decoupling	−I	−3	>0	<0	e < 0