System

Primary index

Secondary index

Correlation degree R_j

Ranking

Tourism industry system (T)

Scales

T1 Domestic tourism revenue

0.8676

8

T2 Foreign exchange income from tourism

0.9184

1

T3 Tourism revenue

0.8806

7

T4 The total income of tourism accounts for the proportion of the city’s GDP

0.7677

12

T5 The total income of tourism accounts for the proportion of the city’s output value

0.6039

14

T6 Domestic tourists

0.9005

5

T7 Number of inbound tourists

0.8377

11

Factors

T8 Number of star hotels

0.5853

16

T9 Number of travel agencies

0.8985

6

T10 Number of A-grade scenic spots

0.9022

4

Employees

T11 Number of hotel employees

0.5948

15

T12 Number of travel agency employees

0.9070

3

T13 Number of employees of the scenic spots

0.6654

13

Operating condition

T14 Hotels’ revenue

0.8646

9

T15 Travel agencies’ revenue

0.9113

2

T16 The income of scenic areas

0.8600

10