International Scientific Co-Publications in Europe

Angelo Leogrande · Alberto Costantiello · Lucio Laureti · Marco Maria Matarrese

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scientometrics and bibliometrics research Economic Growth and Productivity Innovation Policy and R&D

Abstract

Abstract The determinants of “International Scientific Co-Publications” in Europe are analyzed in the following article. Data from the European Innovation Scoreboard-EIS of the European Union for 36 countries in the period 2010-2019 were used. The data were analyzed using Panel Data with Fixed Effects, Panel Data with Random Effects, Pooled OLS, WLS, Dynamic Panel. The results show that the variable “International Scientific Co-Publication” is negatively associated with “Employment Share Manufacturing”, “Intellectual Assets”, “Turnover Share Large Enterprises”, “Linkages” and positively associated with “SMEs innovating in house”, “Trademark Applications”, “Human Resources”, “Public-private co-publications”, “Attractive Research Systems”, “Government procurement of advanced technology products”, “Turnover Share SMEs”. Then, a clustering analysis is realized with the algorithm k-Means. The Silhouette Coefficient and the Elbow Method are confronted to optimize the k-Means algorithm. The results show that the Elbow method is more efficient than the Silhouette coefficient in identifying the optimal number of clusters corresponding to k = 4 with the k-Means algorithm. A network analysis was then carried out using the “Manhattan Distance”. The analysis shows the presence of 9 network structures of which 5 are complex i.e., with a number of linkages greater than 3, and 4 are basic i.e. consist of a single link between two countries. Furthermore, we confront eight different machine learning algorithms to predict the future level of “International Scientific Co-Publications”. We found that the best algorithm in performing prediction with original data is the Tree Ensemble Regression. The predicted value of “International Scientific Co-Publication” is expected to growth by 0.61%.

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References

2022Analyzing Interdisciplinary Research Using Co‐Authorship Networks 2018Statistical relationships between corresponding authorship, international co-authorship and citation impact of national research systems 2020Co-authorship network analysis in cardiovascular research utilizing machine learning (2009–2019)2021Twenty Years of Network Science: A Bibliographic and Co-authorship Network Analysis 2018A new bibliometric approach to measure knowledge transfer of internationally mobile scientists 2017Building and Analyzing a Global Co-Authorship Network Using Google Scholar Data 2017China’s international research collaboration: evidence from a panel gravity model 2019Stocktaking scientific publication on bi-regional collaboration between Europe 28 and Latin America and the Caribbean

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