Universität zu Köln

Romano, Angelo, Sutter, Matthias ORCID: 0000-0002-6143-8706, Liu, James H., Yamagishi, Toshio and Balliet, Daniel ORCID: 0000-0001-5365-9675 (2021). National parochialism is ubiquitous across 42 nations around the world. Nat. Commun., 12 (1). BERLIN: NATURE PORTFOLIO. ISSN 2041-1723

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Abstract

Cooperation within and across borders is of paramount importance for the provision of public goods. Parochialism - the tendency to cooperate more with ingroup than outgroup members - limits contributions to global public goods. National parochialism (i.e., greater cooperation among members of the same nation) could vary across nations and has been hypothesized to be associated with rule of law, exposure to world religions, relational mobility and pathogen stress. We conduct an experiment in participants from 42 nations (N = 18,411), and observe cooperation in a prisoner's dilemma with ingroup, outgroup, and unidentified partners. We observe that national parochialism is a ubiquitous phenomenon: it is present to a similar degree across the nations studied here, is independent of cultural distance, and occurs both when decisions are private or public. These findings inform existing theories of parochialism and suggest it may be an obstacle to the provision of global public goods. National parochialism is the tendency to cooperate more with people of the same nation. In a 42-nations study, the authors show that national parochialism is a pervasive phenomenon, present to a similar degree across all the studied nations, and occurs both when decisions are private or public.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Romano, Angelo UNSPECIFIED UNSPECIFIED UNSPECIFIED Sutter, Matthias UNSPECIFIED orcid.org/0000-0002-6143-8706 UNSPECIFIED Liu, James H. UNSPECIFIED UNSPECIFIED UNSPECIFIED Yamagishi, Toshio UNSPECIFIED UNSPECIFIED UNSPECIFIED Balliet, Daniel UNSPECIFIED orcid.org/0000-0001-5365-9675 UNSPECIFIED
URN:	urn:nbn:de:hbz:38-598001
DOI:	10.1038/s41467-021-24787-1
Journal or Publication Title:	Nat. Commun.
Volume:	12
Number:	1
Date:	2021
Publisher:	NATURE PORTFOLIO
Place of Publication:	BERLIN
ISSN:	2041-1723
Language:	English
Faculty:	Faculty of Management, Economy and Social Sciences
Divisions:	Center of Excellence C-SEB
Subjects:	Economics
Uncontrolled Keywords:	Keywords Language INGROUP FAVORITISM; COOPERATION; EVOLUTION; PUNISHMENT; ALTRUISM; STRESS; COEVOLUTION; INDEX; TRUST Multiple languages Multidisciplinary Sciences Multiple languages
Refereed:	Yes
URI:	http://kups.ub.uni-koeln.de/id/eprint/59800