What is the effect of spatial proximity on research collaboration in a small country? A gravity model for co-authored publications

P.W. Heringa, E. Horlings, W.J.M. Heijman

Research output: Working paperAcademic

Abstract

In this study we fit a gravity model for knowledge production, where the number of co-authored publications is explained by the size of the affiliated organisations and the physical distance between them. We analyse 2247 publications on drinking water and wastewater in the period 2006-2008 with at least one author affiliation in the Netherlands. At this small spatial level we find a robust and significant effect in the expected direction: the larger the distance between two organisations, the less publications they co-author together. We extend the model and show that organisations of the same type (academia, governmental bodies, etc.) also collaborate more.
Original languageEnglish
PublisherWageningen University, WASS
Publication statusPublished - 2013

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