Abstract
The article analyses co-authorship and co-citation networks in Food Policy, which is the most important agricultural policy journal in the field of agricultural economics. The paper highlights the principal researchers in this field together with their authorship and citation networks on the basis of 714 articles written between 2006 and 2015. Results suggest that the majority of the articles were written by a small number of researchers, indicating that groups and central authors play an important role in scientific advances. It also turns out that the number of articles and the central role played in the network are not related, contrary to expectations. Results also suggest that groups cite themselves more often than average, thereby boosting the scientific advancement of their own members.
Highlights
The number of articles published globally in different scientific areas has increased exponentially in recent years, and the behavior of those involved in scientific production itself has changed over time [1]
As [2] state, the link between scientific collaboration in a research project and the impact of the research results have been investigated in only a small number of studies
With the spread of the Internet and online journals, authors are able to rapidly acquire access to published research and working papers. How have these changes influenced the quantity of citations and the types of the cited articles? It is important to answer this question because the number of citations for the articles published in a journal, via statistics such as the impact factor or the Hirsch index, is increasingly being used as a metric of journal quality and stature [6]
Summary
The number of articles published globally in different scientific areas has increased exponentially in recent years, and the behavior of those involved in scientific production itself has changed over time [1]. With the spread of the Internet and online journals, authors are able to rapidly acquire access to published research and working papers. How have these changes influenced the quantity of citations and the types of the cited articles? The relevance of the different factors during the analysis of the position of each university in comparison with other higher educational institutions is still not finalized: as Hazelkorn [8] showed, we can still find debates about the relevance of the number of publications or citations. The results are presented with descriptive statistics used to describe the basic features of the data in a study, followed by co-authorship network and co-citation network analysis. In the fifth section we summarize in a discussion and draw the main conclusions
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