National parochialism is ubiquitous across 42 nations around the world

Angelo Romano1,2, Matthias Sutter3,4,5, James H Liu6

  • 1Experimental Economics Group, Max Planck Institute for Research on Collective Goods, Bonn, Germany. a.romano@fsw.leidenuniv.nl.

Nature Communications
|July 23, 2021
PubMed

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