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To analyze patterns of cooperation across nations, this paper investigates the structure and evolution of cross-country co-authorships for the field of economics from 1985 to 2011. For a long time economic research has been strongly US centered, while influencing real-world politics all over the globe. We investigate the impact of the general trend of increasing international collaboration on the hegemonic structures in the \u201cglobal department of economics.\u201d A dynamic map of economic research is derived and reveals communities that are hierarchical and structured along the lines of external social forces, i.e. historical and political dimensions. Based on these findings, we discuss the influence of the core-periphery structure on the production of economic knowledge and the dissemination of new ideas.<\/jats:p>","DOI":"10.21307\/joss-2019-019","type":"journal-article","created":{"date-parts":[[2019,10,23]],"date-time":"2019-10-23T11:07:11Z","timestamp":1571828831000},"page":"1-12","source":"Crossref","is-referenced-by-count":2,"title":["U.S. and Whom? 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