Table 1 Evaluation indicator system of tourism environmental efficiency.
Type | Primary indicator | Secondary indicator |
|---|---|---|
Input variables | Resource input | Scale of tourism enterprises (total number of A-level tourist attractions, travel agencies and star hotels) |
Capital investment | Investment in tourism fixed assets (total investment in fixed assets of A-level tourist attractions, travel agencies and star hotels) Total investment in environmental pollution control | |
Labor input | Number of tourism employees | |
Output variables | Expected output | Total tourism income |
Unexpected output | Tourism carbon emissions (the sum of carbon emissions from tourism transportation, tourism accommodation and tourism activities) |