A Model for Urban Environment and Resource Planning Based on Green GDP Accounting System

Table 7

Standards for changes in factors.

Change 𝑦	Impact grade
	I	II	III	IV
HD 𝑦7	−0.4517	−0.9033	−1.3550	−1.8066
MD 𝑦6	−0.3794	−0.7587	−1.1381	−1.5175
SD 𝑦5	−0.2297	−0.4595	−0.6892	−0.9189
R 𝑦4	0.0000	0.0000	0.0000	0.0000
SI 𝑦3	0.2297	0.4595	0.6892	0.9189
I 𝑦2	0.3794	0.7587	1.1381	1.5175
EI 𝑦1	0.4517	0.9033	1.3550	1.8066