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Innovation has attracted attention of researches in last 20 years, while networks and clusters are relatively new research subjects. In our paper we made an attempt to find the relationship between network centrality indexes and innovation performance. Each index represents different features of being in the network. To find the network indexes we have constructed adjacency matrixes based on alliance data. For our research we have chosen China's automobile industry network as an example, for the reason that Chinese automobile industry showed tremendous growth in recent decade and is fit to research scope which we are conducting. We have collected the data on innovation performance for 59 firms in China's automobile industry. We used UCINET software program to get the data regarding network properties. After we ran the negative binomial regression model on Gretl software program and constructed 5 models, with total of 7 variables. We have analyzed the relationship between innovation performance and three network centrality measures. According to our new findings firms in the network with more total number of connections and firms with more connections with well-connected firms have better innovation performance. We found

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The digital economy plays a vital role in promoting sustainable development. Out of different measurement indices, this research uses the DESI dimension, i.e., connectivity, human capital, the use of internet services, the integration of digital technology, and digital public services, to investigate the impact on the promotion of SGDI in the European Union countries. Previous research studies investigated the indirect impact of the DESI dimension on SGDI in different countries and regions. In this research, we investigate the direct impact of DESI dimensions on SGDI by using panel regression modeling. The results show that DESI sub-dimensions influence SGDI differently. Connectivity, human capital, and the use of internet services have more influence on SGDI compared to the integration of digital technology and digital public services. However, the impact is negative in most cases, but this is in line with the previous studies in other regional studies. Thus, the current research paper reveals that standard views on the influence of the digital economy are not always true. Policymakers need to make the necessary amendments while implementing each DESI dimension on any level for better promotion of SGDI.

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