Figure 8
The bar graph illustrates the co-occurrence of various keywords across four clusters. The x-axis lists the keywords, while the y-axis represents the total link strength and occurrences. Each keyword is represented by two bars: one for occurrences and one for total link strength. The colors used are blue for occurrences and orange for total link strength. Cluster 1 includes keywords such as business models, circular economy, digitalization, and environmental management. Cluster 2 features keywords like business development, decision making, and digital technology. Cluster 3 includes artificial intelligence, blockchain, and internet of things. Cluster 4 comprises sustainability, economic and social effects, and industrial economics. Notable trends include high total link strength for keywords like circular economy, supply chains, and sustainability. All values are approximated.Co-occurrence of keywords. Sources: Authors’ collaboration