Social network analysis of international collaboration in the economic research from 1900 through 2012

This work was based on 337,812 economics journal articles published between 1900 and 2012, as recorded in 576 journals by the Web of Knowledge. International collaboration has been growing and increasingly centering on the most active collaborators in this century. The structure of the collaboration and its evolutionary model were analyzed. The number of economics papers unilaterally contributed by the US is decreasing sharply. In the top 3,000...