Sustaining cooperation through self-sorting The good, the bad, and the conditional

In four public-good game experiments, we study self-sorting as a means to facilitate cooperation in groups. When individuals can choose to join groups precommitted to charity, such groups sustain cooperation toward the group’s local public good. By eliciting subjects’ conditional contribution profil...

Full description

Saved in:
Bibliographic Details
Published inProceedings of the National Academy of Sciences - PNAS Vol. 116; no. 12; pp. 5299 - 5304
Main Authors Hauge, Karen Evelyn, Brekke, Kjell Arne, Nyborg, Karine, Lind, Jo Thori
Format Journal Article
LanguageEnglish
Published United States National Academy of Sciences 19.03.2019
Subjects
Online AccessGet full text

Cover

Loading…
Abstract In four public-good game experiments, we study self-sorting as a means to facilitate cooperation in groups. When individuals can choose to join groups precommitted to charity, such groups sustain cooperation toward the group’s local public good. By eliciting subjects’ conditional contribution profiles, we find that subjects who prefer the charity groups have higher average conditional contribution levels but do not differ with respect to the slope of their profiles. The majority of subjects in both group types are conditional cooperators whose willingness to contribute is stimulated by generous group members but undermined by free-riders. Charity groups thus seem better able to sustain cooperation because they attract a greater number of more generous individuals, triggering generous responses by conditional cooperators.
AbstractList In four public-good game experiments, we study self-sorting as a means to facilitate cooperation in groups. When individuals can choose to join groups precommitted to charity, such groups sustain cooperation toward the group’s local public good. By eliciting subjects’ conditional contribution profiles, we find that subjects who prefer the charity groups have higher average conditional contribution levels but do not differ with respect to the slope of their profiles. The majority of subjects in both group types are conditional cooperators whose willingness to contribute is stimulated by generous group members but undermined by free-riders. Charity groups thus seem better able to sustain cooperation because they attract a greater number of more generous individuals, triggering generous responses by conditional cooperators.
In four public-good game experiments, we study self-sorting as a means to facilitate cooperation in groups. When individuals can choose to join groups precommitted to charity, such groups sustain cooperation toward the group's local public good. By eliciting subjects' conditional contribution profiles, we find that subjects who prefer the charity groups have higher average conditional contribution levels but do not differ with respect to the slope of their profiles. The majority of subjects in both group types are conditional cooperators whose willingness to contribute is stimulated by generous group members but undermined by free-riders. Charity groups thus seem better able to sustain cooperation because they attract a greater number of more generous individuals, triggering generous responses by conditional cooperators.In four public-good game experiments, we study self-sorting as a means to facilitate cooperation in groups. When individuals can choose to join groups precommitted to charity, such groups sustain cooperation toward the group's local public good. By eliciting subjects' conditional contribution profiles, we find that subjects who prefer the charity groups have higher average conditional contribution levels but do not differ with respect to the slope of their profiles. The majority of subjects in both group types are conditional cooperators whose willingness to contribute is stimulated by generous group members but undermined by free-riders. Charity groups thus seem better able to sustain cooperation because they attract a greater number of more generous individuals, triggering generous responses by conditional cooperators.
Author Brekke, Kjell Arne
Nyborg, Karine
Lind, Jo Thori
Hauge, Karen Evelyn
Author_xml – sequence: 1
  givenname: Karen Evelyn
  surname: Hauge
  fullname: Hauge, Karen Evelyn
– sequence: 2
  givenname: Kjell Arne
  surname: Brekke
  fullname: Brekke, Kjell Arne
– sequence: 3
  givenname: Karine
  surname: Nyborg
  fullname: Nyborg, Karine
– sequence: 4
  givenname: Jo Thori
  surname: Lind
  fullname: Lind, Jo Thori
BackLink https://www.ncbi.nlm.nih.gov/pubmed/30061419$$D View this record in MEDLINE/PubMed
BookMark eNp9kUFrGzEQhUVwiR2355wSDL0EyiYzWq2kvQSKaZqCIYe0ZyGvtbbMWnIkbaD_vkrtuI0POQmk7z3NvHdGBs47Q8g5wjWCKG-2TsdrlEClqBCrEzJCqLHgrIYBGQFQUUhG2ZCcxbgGgLqScEqGJQBHhvWIfHnsY9LWWbecNN5vTdDJejdJq-D75WoSTdcW0YeUgY_kQ6u7aD7tzzH5dfft5_S-mD18_zH9OiuaitFUUEQElJLKErnWyJiQ1CygwmrezqlkZallixS4WGja5CteC9FqIVmzECjKMbnd-W77-cYsGuNS0J3aBrvR4bfy2qq3L86u1NI_K87KHAJkg6u9QfBPvYlJbWxsTNdpZ3wfFQUJORaJNKOfj9C174PL6ylKAQRiLWSmLv-f6DDKa44ZuNkBTfAxBtMeEAT10pR6aUr9ayorqiNFY9Pf7PNKtntHd7HTrWPy4fAN5bzmFYXyDyDcn-o
CitedBy_id crossref_primary_10_1016_j_jenvp_2020_101441
crossref_primary_10_1073_pnas_1901616116
crossref_primary_10_3389_fpsyg_2022_800701
crossref_primary_10_1080_00167223_2022_2152972
crossref_primary_10_1016_j_amc_2022_127182
crossref_primary_10_1016_j_isci_2020_101438
crossref_primary_10_1016_j_amc_2020_125600
crossref_primary_10_3390_su10124746
crossref_primary_10_3389_fpsyg_2018_01687
crossref_primary_10_1016_j_amc_2021_125963
crossref_primary_10_2139_ssrn_3063883
crossref_primary_10_1016_j_chaos_2020_110258
crossref_primary_10_1038_s41598_023_50448_y
crossref_primary_10_1016_j_ejpoleco_2021_102131
crossref_primary_10_1016_j_socec_2020_101595
Cites_doi 10.1073/pnas.0408759102
10.1016/j.jpubeco.2011.05.003
10.1016/j.joep.2012.09.005
10.1111/j.1468-0297.2005.01031.x
10.15185/izawol.17
10.1007/s10683-010-9257-1
10.1287/orsc.2016.1066
10.1016/j.socec.2018.05.002
10.1111/j.1467-9442.2007.00506.x
10.1257/0002828043052187
10.1016/j.jebo.2005.04.018
10.1016/j.econlet.2008.07.015
10.1515/9780691213255-004
10.1016/j.jebo.2005.03.008
10.1080/00346764.2015.1035910
10.1257/aer.100.1.541
10.2307/3003457
10.1093/qje/qjr050
10.1111/1467-9442.00182
10.1007/s10683-006-9159-4
10.1007/s10683-014-9412-1
10.1162/jeea.2005.3.2-3.303
10.1111/j.1465-7295.2010.00332.x
10.1287/mnsc.2014.1985
10.1007/s10683-008-9197-1
10.1017/CBO9780511807763
10.1016/j.jebo.2010.05.008
10.1016/j.reseneeco.2008.05.001
10.1002/job.1827
10.1016/S0165-1765(01)00394-9
10.1257/app.4.1.136
10.1111/j.1467-9779.2008.00357.x
ContentType Journal Article
Copyright Copyright National Academy of Sciences Mar 19, 2019
2019
Copyright_xml – notice: Copyright National Academy of Sciences Mar 19, 2019
– notice: 2019
DBID AAYXX
CITATION
NPM
7QG
7QL
7QP
7QR
7SN
7SS
7T5
7TK
7TM
7TO
7U9
8FD
C1K
FR3
H94
M7N
P64
RC3
7X8
5PM
DOI 10.1073/pnas.1802875115
DatabaseName CrossRef
PubMed
Animal Behavior Abstracts
Bacteriology Abstracts (Microbiology B)
Calcium & Calcified Tissue Abstracts
Chemoreception Abstracts
Ecology Abstracts
Entomology Abstracts (Full archive)
Immunology Abstracts
Neurosciences Abstracts
Nucleic Acids Abstracts
Oncogenes and Growth Factors Abstracts
Virology and AIDS Abstracts
Technology Research Database
Environmental Sciences and Pollution Management
Engineering Research Database
AIDS and Cancer Research Abstracts
Algology Mycology and Protozoology Abstracts (Microbiology C)
Biotechnology and BioEngineering Abstracts
Genetics Abstracts
MEDLINE - Academic
PubMed Central (Full Participant titles)
DatabaseTitle CrossRef
PubMed
Virology and AIDS Abstracts
Oncogenes and Growth Factors Abstracts
Technology Research Database
Nucleic Acids Abstracts
Ecology Abstracts
Neurosciences Abstracts
Biotechnology and BioEngineering Abstracts
Environmental Sciences and Pollution Management
Entomology Abstracts
Genetics Abstracts
Animal Behavior Abstracts
Bacteriology Abstracts (Microbiology B)
Algology Mycology and Protozoology Abstracts (Microbiology C)
AIDS and Cancer Research Abstracts
Chemoreception Abstracts
Immunology Abstracts
Engineering Research Database
Calcium & Calcified Tissue Abstracts
MEDLINE - Academic
DatabaseTitleList CrossRef
PubMed

Virology and AIDS Abstracts
MEDLINE - Academic

Database_xml – sequence: 1
  dbid: NPM
  name: PubMed
  url: https://proxy.k.utb.cz/login?url=http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed
  sourceTypes: Index Database
DeliveryMethod fulltext_linktorsrc
Discipline Sciences (General)
EISSN 1091-6490
EndPage 5304
ExternalDocumentID PMC6431150
30061419
10_1073_pnas_1802875115
26696520
Genre Research Support, Non-U.S. Gov't
Journal Article
GrantInformation_xml – fundername: Norges Forskningsråd (Forskningsrådet)
  grantid: 268174
– fundername: Norges Forskningsråd (Forskningsrådet)
  grantid: 209698
GroupedDBID ---
-DZ
-~X
.55
0R~
123
29P
2AX
2FS
2WC
4.4
53G
5RE
5VS
85S
AACGO
AAFWJ
AANCE
ABBHK
ABOCM
ABPLY
ABPPZ
ABTLG
ABXSQ
ABZEH
ACGOD
ACHIC
ACIWK
ACNCT
ACPRK
ADQXQ
ADULT
AENEX
AEUPB
AEXZC
AFFNX
AFOSN
AFRAH
ALMA_UNASSIGNED_HOLDINGS
AQVQM
BKOMP
CS3
D0L
DCCCD
DIK
DU5
E3Z
EBS
EJD
F5P
FRP
GX1
H13
HH5
HYE
IPSME
JAAYA
JBMMH
JENOY
JHFFW
JKQEH
JLS
JLXEF
JPM
JSG
JST
KQ8
L7B
LU7
N9A
N~3
O9-
OK1
PNE
PQQKQ
R.V
RHI
RNA
RNS
RPM
RXW
SA0
SJN
TAE
TN5
UKR
W8F
WH7
WOQ
WOW
X7M
XSW
Y6R
YBH
YKV
YSK
ZCA
~02
~KM
AAYXX
CITATION
DOOOF
JSODD
NPM
RHF
VQA
YIF
YIN
7QG
7QL
7QP
7QR
7SN
7SS
7T5
7TK
7TM
7TO
7U9
8FD
C1K
FR3
H94
M7N
P64
RC3
7X8
5PM
ID FETCH-LOGICAL-c542t-2111018828316aa144782ed0515bfb28433a8f12067da2cfb26977fa784cd7173
ISSN 0027-8424
1091-6490
IngestDate Thu Aug 21 18:23:45 EDT 2025
Fri Jul 11 05:01:54 EDT 2025
Mon Jun 30 08:17:41 EDT 2025
Wed Feb 19 02:31:32 EST 2025
Tue Jul 01 03:19:51 EDT 2025
Thu Apr 24 23:02:01 EDT 2025
Thu May 29 13:25:21 EDT 2025
IsDoiOpenAccess false
IsOpenAccess true
IsPeerReviewed true
IsScholarly true
Issue 12
Keywords conditional cooperation
corporate social responsibility
voluntary contributions
altruism
public goods
Language English
License Published under the PNAS license.
LinkModel OpenURL
MergedId FETCHMERGED-LOGICAL-c542t-2111018828316aa144782ed0515bfb28433a8f12067da2cfb26977fa784cd7173
Notes ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 14
content type line 23
Edited by Simon A. Levin, Princeton University, Princeton, NJ, and approved June 28, 2018 (received for review March 1, 2018)
Author contributions: K.E.H., K.A.B., K.N., and J.T.L. designed research, performed research, analyzed data, and wrote the paper.
1K.E.H., K.A.B., K.N., and J.T.L. contributed equally to this article.
ORCID 0000-0002-0359-548X
0000-0002-2980-3814
OpenAccessLink https://www.pnas.org/content/pnas/116/12/5299.full.pdf
PMID 30061419
PQID 2200711978
PQPubID 42026
PageCount 6
ParticipantIDs pubmedcentral_primary_oai_pubmedcentral_nih_gov_6431150
proquest_miscellaneous_2080842812
proquest_journals_2200711978
pubmed_primary_30061419
crossref_primary_10_1073_pnas_1802875115
crossref_citationtrail_10_1073_pnas_1802875115
jstor_primary_26696520
ProviderPackageCode CITATION
AAYXX
PublicationCentury 2000
PublicationDate 2019-03-19
PublicationDateYYYYMMDD 2019-03-19
PublicationDate_xml – month: 03
  year: 2019
  text: 2019-03-19
  day: 19
PublicationDecade 2010
PublicationPlace United States
PublicationPlace_xml – name: United States
– name: Washington
PublicationTitle Proceedings of the National Academy of Sciences - PNAS
PublicationTitleAlternate Proc Natl Acad Sci U S A
PublicationYear 2019
Publisher National Academy of Sciences
Publisher_xml – name: National Academy of Sciences
References Herrmann B (e_1_3_4_11_2) 2009; 12
Keser C (e_1_3_4_12_2) 2000; 102
Ledyard JO (e_1_3_4_6_2) 1995
Lazear EP (e_1_3_4_33_2) 2012; 4
Brekke KA (e_1_3_4_26_2) 2010; 75
Brekke KA (e_1_3_4_22_2) 2011; 95
Gächter S (e_1_3_4_18_2) 2005; 3
Ahn T-K (e_1_3_4_15_2) 2008; 10
DellaVigna S (e_1_3_4_32_2) 2012; 127
Fischbacher U (e_1_3_4_34_2) 2007; 10
Brekke KA (e_1_3_4_3_2) 2007; 109
e_1_3_4_25_2
Frey B (e_1_3_4_9_2) 2004; 94
Brekke KA (e_1_3_4_27_2) 2008; 30
Kurzban R (e_1_3_4_23_2) 2005; 102
Hauge KE (e_1_3_4_10_2) 2015; 73
Holmstrom B (e_1_3_4_2_2) 1982; 13
Barrett S (e_1_3_4_1_2) 2003
Chaudhuri A (e_1_3_4_5_2) 2011; 14
Burbano V (e_1_3_4_28_2) 2016; 27
Martinsson P (e_1_3_4_14_2) 2013; 34
Fischbacher U (e_1_3_4_24_2) 2010; 100
Tonin M (e_1_3_4_31_2) 2015; 61
Page T (e_1_3_4_20_2) 2005; 115
Gunnthorsdottir A (e_1_3_4_17_2) 2007; 62
Nyborg K (e_1_3_4_30_2) 2014
de Oliveira ACM (e_1_3_4_16_2) 2015; 18
Fischbacher U (e_1_3_4_8_2) 2001; 71
Kocher MG (e_1_3_4_13_2) 2008; 101
Falk A (e_1_3_4_7_2) 2013; 51
Delmas MA (e_1_3_4_29_2) 2013; 34
Strømland E (e_1_3_4_21_2) 2018; 75
Ostrom E (e_1_3_4_4_2) 1990
Ones U (e_1_3_4_19_2) 2007; 62
References_xml – volume: 102
  start-page: 1803
  year: 2005
  ident: e_1_3_4_23_2
  article-title: Experiments investigating cooperative types in humans: A complement to evolutionary theory and simulations
  publication-title: Proc Natl Acad Sci USA
  doi: 10.1073/pnas.0408759102
– volume: 95
  start-page: 1111
  year: 2011
  ident: e_1_3_4_22_2
  article-title: Playing with the good guys. A public good game with endogenous group formation
  publication-title: J Public Econ
  doi: 10.1016/j.jpubeco.2011.05.003
– volume: 34
  start-page: 148
  year: 2013
  ident: e_1_3_4_14_2
  article-title: Conditional cooperation and disclosure in developing countries
  publication-title: J Econ Psychol
  doi: 10.1016/j.joep.2012.09.005
– volume: 115
  start-page: 1032
  year: 2005
  ident: e_1_3_4_20_2
  article-title: Voluntary association in public goods experiments: Reciprocity, mimicry and efficiency
  publication-title: Econ J
  doi: 10.1111/j.1468-0297.2005.01031.x
– year: 2014
  ident: e_1_3_4_30_2
  article-title: Do responsible employers attract responsible employees?
  publication-title: IZA World of Labor
  doi: 10.15185/izawol.17
– volume-title: Environment and Statecraft: The Strategy of Environmental Treaty-Making: The Strategy of Environmental Treaty-making
  year: 2003
  ident: e_1_3_4_1_2
– volume: 14
  start-page: 47
  year: 2011
  ident: e_1_3_4_5_2
  article-title: Sustaining cooperation in laboratory public goods experiments: A selective survey of the literature
  publication-title: Exp Econ
  doi: 10.1007/s10683-010-9257-1
– volume: 27
  start-page: 1010
  year: 2016
  ident: e_1_3_4_28_2
  article-title: Social responsibility messages and worker wage requirements: Field experimental evidence from online labor marketplaces
  publication-title: Organ Sci
  doi: 10.1287/orsc.2016.1066
– volume: 75
  start-page: 12
  year: 2018
  ident: e_1_3_4_21_2
  article-title: Mutual choice of partner and communication in a repeated prisoner’s dilemma
  publication-title: J Behav Exp Econ
  doi: 10.1016/j.socec.2018.05.002
– volume: 109
  start-page: 531
  year: 2007
  ident: e_1_3_4_3_2
  article-title: The fear of exclusion: Individual effort when group formation is endogenous
  publication-title: Scand J Econ
  doi: 10.1111/j.1467-9442.2007.00506.x
– volume: 94
  start-page: 1717
  year: 2004
  ident: e_1_3_4_9_2
  article-title: Social comparisons and pro-social behavior: Testing “conditional cooperation” in a field experiment
  publication-title: Am Econ Rev
  doi: 10.1257/0002828043052187
– volume: 62
  start-page: 495
  year: 2007
  ident: e_1_3_4_19_2
  article-title: The ecology of collective action: A public goods and sanctions experiment with controlled group formation
  publication-title: J Econ Behav Organ
  doi: 10.1016/j.jebo.2005.04.018
– volume: 101
  start-page: 175
  year: 2008
  ident: e_1_3_4_13_2
  article-title: Conditional cooperation on three continents
  publication-title: Econ Lett
  doi: 10.1016/j.econlet.2008.07.015
– ident: e_1_3_4_25_2
– start-page: 111
  volume-title: The Handbook of Experimental Economics
  year: 1995
  ident: e_1_3_4_6_2
  doi: 10.1515/9780691213255-004
– volume: 62
  start-page: 304
  year: 2007
  ident: e_1_3_4_17_2
  article-title: Disposition, history and contributions in public goods experiments
  publication-title: J Econ Behav Organ
  doi: 10.1016/j.jebo.2005.03.008
– volume: 73
  start-page: 154
  year: 2015
  ident: e_1_3_4_10_2
  article-title: Moral opinions are conditional on the behavior of others
  publication-title: Rev Soc Econ
  doi: 10.1080/00346764.2015.1035910
– volume: 100
  start-page: 541
  year: 2010
  ident: e_1_3_4_24_2
  article-title: Social preferences, beliefs, and the dynamics of free riding in public goods experiments
  publication-title: Am Econ Rev
  doi: 10.1257/aer.100.1.541
– volume: 13
  start-page: 324
  year: 1982
  ident: e_1_3_4_2_2
  article-title: Moral hazard in teams
  publication-title: Bell J Econ
  doi: 10.2307/3003457
– volume: 127
  start-page: 1
  year: 2012
  ident: e_1_3_4_32_2
  article-title: Testing for altruism and social pressure in charitable giving
  publication-title: Q J Econ
  doi: 10.1093/qje/qjr050
– volume: 102
  start-page: 23
  year: 2000
  ident: e_1_3_4_12_2
  article-title: Conditional cooperation and voluntary contributions to public goods
  publication-title: Scand J Econ
  doi: 10.1111/1467-9442.00182
– volume: 10
  start-page: 171
  year: 2007
  ident: e_1_3_4_34_2
  article-title: z-Tree: Zurich toolbox for ready-made economic experiments
  publication-title: Exp Econ
  doi: 10.1007/s10683-006-9159-4
– volume: 18
  start-page: 116
  year: 2015
  ident: e_1_3_4_16_2
  article-title: One bad apple? Heterogeneity and information in public good provision
  publication-title: Exp Econ
  doi: 10.1007/s10683-014-9412-1
– volume: 3
  start-page: 303
  year: 2005
  ident: e_1_3_4_18_2
  article-title: Social learning and voluntary cooperation among like-minded people
  publication-title: J Eur Econ Assoc
  doi: 10.1162/jeea.2005.3.2-3.303
– volume: 51
  start-page: 563
  year: 2013
  ident: e_1_3_4_7_2
  article-title: Living in two neighborhoods–Social interaction in the lab
  publication-title: Econ Inq
  doi: 10.1111/j.1465-7295.2010.00332.x
– volume: 61
  start-page: 1795
  year: 2015
  ident: e_1_3_4_31_2
  article-title: Corporate philanthropy and productivity: Evidence from an online real effort experiment
  publication-title: Manage Sci
  doi: 10.1287/mnsc.2014.1985
– volume: 12
  start-page: 87
  year: 2009
  ident: e_1_3_4_11_2
  article-title: Measuring conditional cooperation: A replication study in Russia
  publication-title: Exp Econ
  doi: 10.1007/s10683-008-9197-1
– volume-title: Governing the Commons: The Evolution of Institutions for Collective Action
  year: 1990
  ident: e_1_3_4_4_2
  doi: 10.1017/CBO9780511807763
– volume: 75
  start-page: 377
  year: 2010
  ident: e_1_3_4_26_2
  article-title: Selfish bakers, caring nurses? A model of work motivation
  publication-title: J Econ Behav Organ
  doi: 10.1016/j.jebo.2010.05.008
– volume: 30
  start-page: 509
  year: 2008
  ident: e_1_3_4_27_2
  article-title: Attracting responsible employees: Green production as labor market screening
  publication-title: Resour Energy Econ
  doi: 10.1016/j.reseneeco.2008.05.001
– volume: 34
  start-page: 230
  year: 2013
  ident: e_1_3_4_29_2
  article-title: Environmental standards and labor productivity: Understanding the mechanisms that sustain sustainability
  publication-title: J Organ Behav
  doi: 10.1002/job.1827
– volume: 71
  start-page: 397
  year: 2001
  ident: e_1_3_4_8_2
  article-title: Are people conditionally cooperative? Evidence from a public goods experiment
  publication-title: Econ Lett
  doi: 10.1016/S0165-1765(01)00394-9
– volume: 4
  start-page: 136
  year: 2012
  ident: e_1_3_4_33_2
  article-title: Sorting in experiments with application to social preferences
  publication-title: Am Econ J Appl Econ
  doi: 10.1257/app.4.1.136
– volume: 10
  start-page: 171
  year: 2008
  ident: e_1_3_4_15_2
  article-title: Endogenous group formation
  publication-title: J Public Econ Theory
  doi: 10.1111/j.1467-9779.2008.00357.x
SSID ssj0009580
Score 2.378649
Snippet In four public-good game experiments, we study self-sorting as a means to facilitate cooperation in groups. When individuals can choose to join groups...
SourceID pubmedcentral
proquest
pubmed
crossref
jstor
SourceType Open Access Repository
Aggregation Database
Index Database
Enrichment Source
Publisher
StartPage 5299
SubjectTerms COLLOQUIUM PAPERS
Cooperation
Sackler on Economics, Environment, and Sustainable Development
Social Sciences
Subtitle The good, the bad, and the conditional
Title Sustaining cooperation through self-sorting
URI https://www.jstor.org/stable/26696520
https://www.ncbi.nlm.nih.gov/pubmed/30061419
https://www.proquest.com/docview/2200711978
https://www.proquest.com/docview/2080842812
https://pubmed.ncbi.nlm.nih.gov/PMC6431150
Volume 116
hasFullText 1
inHoldings 1
isFullTextHit
isPrint
link http://utb.summon.serialssolutions.com/2.0.0/link/0/eLvHCXMwnV1Lb9NAEF6FcuGCKFAwFLRIHIrSDfX6GW4BpYqgmEpNpNystb0ugcip7ASp3PjnzHh3bacEqXCxkvXaTjyfx_PNzoOQ1wmYxDINbBaIxGeuCH0mcu4wN8sFqkfpZOga-Bz5k5n7ce7Ne71f3eySdTJIf-7MK_kfqcIYyBWzZP9Bss1JYQA-g3xhCxKG7a1kfKGyn1Te7OpKamma3juVXOasWpUmqRkhcalDbNDeTJR4TQwlMONsoVyDXZP1vHnFVSagIDIexFGbj6KVRNVn_fOo7W48ERvVvL3OOuuPf8jldYPH96X8roKDPn1DH-KobBf5o2tA56U-srP4j04E5fbH4KZy0XVbYKaUw7RyVJoWDBXmu6pX6EDuGDPqWeViGhzyjrb1uGqu9MdrAPQW9i4uRDXACnfAyWyVNLpdcDv6Ep_Ozs7i6Xg-vUPucmAadWzopFu3OVQFLfQvM9WhAuftjdNvGTYqtnUXa7kZfNuxZqYPyH1NQ-hIYWqf9GTxkOwbGdIjXY38zSNy0YKMdkBGNchoF2TvKECMIsSOYb-kALBjCvCqv3Tg9ZjMTsfTDxOmO3Gw1HP5mnF4I57YQMZCx_aFABIOhqXMsD9Qkidg4TiOCHMbWwFkgqcw5AOvyEUQummGcR4HZK9YFfIpoXCI70iXu5mfu2HmDUMZigzzuW2e2_7QIgNzG-NUl6nHbinLuA6XCJwY73vc3neLHDUHXKkKLX-felDLpZkH1unQ9_iJRQ6NoGL9fFcxRzc-rrKHFnnV7Abti0tqopCrDcwBwhUCg7e5RZ4ouTYnd5AeuDb8o2BL4s0ErOy-vadYfK0rvANNQKb27BbXfU7utY_XIdlblxv5AuzkdfKyRvJvjmq79g
linkProvider ABC ChemistRy
openUrl ctx_ver=Z39.88-2004&ctx_enc=info%3Aofi%2Fenc%3AUTF-8&rfr_id=info%3Asid%2Fsummon.serialssolutions.com&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.atitle=Sustaining+cooperation+through+self-sorting%3A+The+good%2C+the+bad%2C+and+the+conditional&rft.jtitle=Proceedings+of+the+National+Academy+of+Sciences+-+PNAS&rft.au=Hauge%2C+Karen+Evelyn&rft.au=Brekke%2C+Kjell+Arne&rft.au=Nyborg%2C+Karine&rft.au=Lind%2C+Jo+Thori&rft.date=2019-03-19&rft.issn=1091-6490&rft.eissn=1091-6490&rft.volume=116&rft.issue=12&rft.spage=5299&rft_id=info:doi/10.1073%2Fpnas.1802875115&rft.externalDBID=NO_FULL_TEXT
thumbnail_l http://covers-cdn.summon.serialssolutions.com/index.aspx?isbn=/lc.gif&issn=0027-8424&client=summon
thumbnail_m http://covers-cdn.summon.serialssolutions.com/index.aspx?isbn=/mc.gif&issn=0027-8424&client=summon
thumbnail_s http://covers-cdn.summon.serialssolutions.com/index.aspx?isbn=/sc.gif&issn=0027-8424&client=summon