Research Article

How Does the Time-Varying Network Structure Evolve between the EU Carbon Futures Prices and Industrial and Energy-Related Indices? A Study Based on a Time-Varying T-Copula

Figure 2

The network density of each group of variables under different thresholds (data1:EUA-developed/energy I; data2:EUA-global/energy I; data3:EUA-emerging/energy I; data4:EUA-emerging/energy I; data5:EUA-WTI)