Cluster Type | City | Year 2014 | Year 2020 |
High-High Agglomeration | Dongguan City | 1.421*** | 2.124*** |
Shenzhen City | 1.313** | 1.955*** | |
Guangzhou City | 0.589** | 0.454* | |
Low-Low Agglomeration | Meizhou City | 0.504* | 0.438 |