Chih-Sheng Hsieh, Michael König, Xiaodong Liu, Christian Zimmermann, 26 November 2018

Through collaboration networks, researchers create spillovers for one another, and also other researchers indirectly linked to them. This column leverages co-authorship network data for economics to study the impact of these spillovers on total research output. Taking account of spillovers, the results show that the most productive researchers are not those with the most citations. Current funding schemes appear to be ill-designed to take advantage of the spillover effects generated in scientific knowledge production networks. 

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