Bibliographics

Author(s):

Helliwell, J.F.; Layard, R.; Sachs, J.

Title:

World Happiness Report 2020

Source:

Helliwell, J., Layard, R., & Sachs, J. (2020). World Happiness Report 2020.

Year:

2020

URL:

https://happiness-report.s3.amazonaws.com/2020/WHR20.pdf

Language:

English (Australia, Canada, UK, USA)

Subject Classification

Subjects

Eligible for inclusion in findings archive

Eligible

Yes, included as study.

• Helliwell et al. (2020): study AE 2006
• Helliwell et al. (2020): study AE 2009
• Helliwell et al. (2020): study AE 2010
• Helliwell et al. (2020): study AE 2011
• Helliwell et al. (2020): study AE 2012
• Helliwell et al. (2020): study AE 2013
• Helliwell et al. (2020): study AE 2014
• Helliwell et al. (2020): study AE 2015
• Helliwell et al. (2020): study AE 2016
• Helliwell et al. (2020): study AE 2017
• Helliwell et al. (2020): study AE 2018
• Helliwell et al. (2020): study AE 2019
• Helliwell et al. (2020): study AF 2008
• Helliwell et al. (2020): study AF 2009
• Helliwell et al. (2020): study AF 2010
• Helliwell et al. (2020): study AF 2011
• Helliwell et al. (2020): study AF 2012
• Helliwell et al. (2020): study AF 2013
• Helliwell et al. (2020): study AF 2014
• Helliwell et al. (2020): study AF 2015
• Helliwell et al. (2020): study AF 2016
• Helliwell et al. (2020): study AF 2017
• Helliwell et al. (2020): study AF 2018
• Helliwell et al. (2020): study AF 2019
• Helliwell et al. (2020): study AL 2007
• Helliwell et al. (2020): study AL 2009
• Helliwell et al. (2020): study AL 2010
• Helliwell et al. (2020): study AL 2011
• Helliwell et al. (2020): study AL 2012
• Helliwell et al. (2020): study AL 2013
• Helliwell et al. (2020): study AL 2014
• Helliwell et al. (2020): study AL 2015
• Helliwell et al. (2020): study AL 2016
• Helliwell et al. (2020): study AL 2017
• Helliwell et al. (2020): study AL 2018
• Helliwell et al. (2020): study AL 2019
• Helliwell et al. (2020): study AM 2006
• Helliwell et al. (2020): study AM 2007
• Helliwell et al. (2020): study AM 2008
• Helliwell et al. (2020): study AM 2009
• Helliwell et al. (2020): study AM 2010
• Helliwell et al. (2020): study AM 2011
• Helliwell et al. (2020): study AM 2012
• Helliwell et al. (2020): study AM 2013
• Helliwell et al. (2020): study AM 2014
• Helliwell et al. (2020): study AM 2015
• Helliwell et al. (2020): study AM 2016
• Helliwell et al. (2020): study AM 2017
• Helliwell et al. (2020): study AM 2018
• Helliwell et al. (2020): study AO 2011
• Helliwell et al. (2020): study AO 2012
• Helliwell et al. (2020): study AO 2013
• Helliwell et al. (2020): study AO 2014
• Helliwell et al. (2020): study AR 2006
• Helliwell et al. (2020): study AR 2007
• Helliwell et al. (2020): study AR 2008
• Helliwell et al. (2020): study AR 2009
• Helliwell et al. (2020): study AR 2010
• Helliwell et al. (2020): study AR 2011
• Helliwell et al. (2020): study AR 2012
• Helliwell et al. (2020): study AR 2013
• Helliwell et al. (2020): study AR 2014
• Helliwell et al. (2020): study AR 2015
• Helliwell et al. (2020): study AR 2016
• Helliwell et al. (2020): study AR 2017
• Helliwell et al. (2020): study AR 2018
• Helliwell et al. (2020): study AR 2019
• Helliwell et al. (2020): study AT 2006
• Helliwell et al. (2020): study AT 2008
• Helliwell et al. (2020): study AT 2010
• Helliwell et al. (2020): study AT 2011
• Helliwell et al. (2020): study AT 2012
• Helliwell et al. (2020): study AT 2013
• Helliwell et al. (2020): study AT 2014
• Helliwell et al. (2020): study AT 2015
• Helliwell et al. (2020): study AT 2016
• Helliwell et al. (2020): study AT 2017
• Helliwell et al. (2020): study AT 2018
• Helliwell et al. (2020): study AT 2019
• Helliwell et al. (2020): study AU 2005
• Helliwell et al. (2020): study AU 2007
• Helliwell et al. (2020): study AU 2008
• Helliwell et al. (2020): study AU 2010
• Helliwell et al. (2020): study AU 2011
• Helliwell et al. (2020): study AU 2012
• Helliwell et al. (2020): study AU 2013
• Helliwell et al. (2020): study AU 2014
• Helliwell et al. (2020): study AU 2015
• Helliwell et al. (2020): study AU 2016
• Helliwell et al. (2020): study AU 2017
• Helliwell et al. (2020): study AU 2018
• Helliwell et al. (2020): study AU 2019
• Helliwell et al. (2020): study AZ 2006
• Helliwell et al. (2020): study AZ 2007
• Helliwell et al. (2020): study AZ 2008
• Helliwell et al. (2020): study AZ 2009
• Helliwell et al. (2020): study AZ 2010
• Helliwell et al. (2020): study AZ 2011
• Helliwell et al. (2020): study AZ 2012
• Helliwell et al. (2020): study AZ 2013
• Helliwell et al. (2020): study AZ 2014
• Helliwell et al. (2020): study AZ 2015
• Helliwell et al. (2020): study AZ 2016
• Helliwell et al. (2020): study AZ 2017
• Helliwell et al. (2020): study AZ 2018
• Helliwell et al. (2020): study AZ 2019
• Helliwell et al. (2020): study BA 2007
• Helliwell et al. (2020): study BA 2009
• Helliwell et al. (2020): study BA 2010
• Helliwell et al. (2020): study BA 2011
• Helliwell et al. (2020): study BA 2012
• Helliwell et al. (2020): study BA 2013
• Helliwell et al. (2020): study BA 2014
• Helliwell et al. (2020): study BA 2015
• Helliwell et al. (2020): study BA 2016
• Helliwell et al. (2020): study BA 2017
• Helliwell et al. (2020): study BA 2018
• Helliwell et al. (2020): study BA 2019
• Helliwell et al. (2020): study BD 2006
• Helliwell et al. (2020): study BD 2007
• Helliwell et al. (2020): study BD 2008
• Helliwell et al. (2020): study BD 2009
• Helliwell et al. (2020): study BD 2010
• Helliwell et al. (2020): study BD 2011
• Helliwell et al. (2020): study BD 2012
• Helliwell et al. (2020): study BD 2013
• Helliwell et al. (2020): study BD 2014
• Helliwell et al. (2020): study BD 2015
• Helliwell et al. (2020): study BD 2016
• Helliwell et al. (2020): study BD 2017
• Helliwell et al. (2020): study BD 2018
• Helliwell et al. (2020): study BD 2019
• Helliwell et al. (2020): study BE 2005
• Helliwell et al. (2020): study BE 2007
• Helliwell et al. (2020): study BE 2008
• Helliwell et al. (2020): study BE 2010
• Helliwell et al. (2020): study BE 2011
• Helliwell et al. (2020): study BE 2012
• Helliwell et al. (2020): study BE 2013
• Helliwell et al. (2020): study BE 2014
• Helliwell et al. (2020): study BE 2015
• Helliwell et al. (2020): study BE 2016
• Helliwell et al. (2020): study BE 2017
• Helliwell et al. (2020): study BE 2018
• Helliwell et al. (2020): study BE 2019
• Helliwell et al. (2020): study BF 2006
• Helliwell et al. (2020): study BF 2007
• Helliwell et al. (2020): study BF 2008
• Helliwell et al. (2020): study BF 2010
• Helliwell et al. (2020): study BF 2011
• Helliwell et al. (2020): study BF 2012
• Helliwell et al. (2020): study BF 2013
• Helliwell et al. (2020): study BF 2014
• Helliwell et al. (2020): study BF 2015
• Helliwell et al. (2020): study BF 2016
• Helliwell et al. (2020): study BF 2017
• Helliwell et al. (2020): study BF 2018
• Helliwell et al. (2020): study BF 2019
• Helliwell et al. (2020): study BG 2007
• Helliwell et al. (2020): study BG 2010
• Helliwell et al. (2020): study BG 2011
• Helliwell et al. (2020): study BG 2012
• Helliwell et al. (2020): study BG 2013
• Helliwell et al. (2020): study BG 2014
• Helliwell et al. (2020): study BG 2015
• Helliwell et al. (2020): study BG 2016
• Helliwell et al. (2020): study BG 2017
• Helliwell et al. (2020): study BG 2018
• Helliwell et al. (2020): study BG 2019
• Helliwell et al. (2020): study BH 2009
• Helliwell et al. (2020): study BH 2010
• Helliwell et al. (2020): study BH 2011
• Helliwell et al. (2020): study BH 2012
• Helliwell et al. (2020): study BH 2013
• Helliwell et al. (2020): study BH 2014
• Helliwell et al. (2020): study BH 2015
• Helliwell et al. (2020): study BH 2016
• Helliwell et al. (2020): study BH 2017
• Helliwell et al. (2020): study BI 2008
• Helliwell et al. (2020): study BI 2009
• Helliwell et al. (2020): study BI 2011
• Helliwell et al. (2020): study BI 2014
• Helliwell et al. (2020): study BI 2018
• Helliwell et al. (2020): study BJ 2006
• Helliwell et al. (2020): study BJ 2008
• Helliwell et al. (2020): study BJ 2011
• Helliwell et al. (2020): study BJ 2012
• Helliwell et al. (2020): study BJ 2013
• Helliwell et al. (2020): study BJ 2014
• Helliwell et al. (2020): study BJ 2015
• Helliwell et al. (2020): study BJ 2016
• Helliwell et al. (2020): study BJ 2017
• Helliwell et al. (2020): study BJ 2018
• Helliwell et al. (2020): study BJ 2019
• Helliwell et al. (2020): study BO 2006
• Helliwell et al. (2020): study BO 2007
• Helliwell et al. (2020): study BO 2008
• Helliwell et al. (2020): study BO 2009
• Helliwell et al. (2020): study BO 2010
• Helliwell et al. (2020): study BO 2011
• Helliwell et al. (2020): study BO 2012
• Helliwell et al. (2020): study BO 2013
• Helliwell et al. (2020): study BO 2014
• Helliwell et al. (2020): study BO 2015
• Helliwell et al. (2020): study BO 2016
• Helliwell et al. (2020): study BO 2017
• Helliwell et al. (2020): study BO 2018
• Helliwell et al. (2020): study BO 2019
• Helliwell et al. (2020): study BR 2005
• Helliwell et al. (2020): study BR 2007
• Helliwell et al. (2020): study BR 2008
• Helliwell et al. (2020): study BR 2009
• Helliwell et al. (2020): study BR 2010
• Helliwell et al. (2020): study BR 2011
• Helliwell et al. (2020): study BR 2012
• Helliwell et al. (2020): study BR 2013
• Helliwell et al. (2020): study BR 2014
• Helliwell et al. (2020): study BR 2015
• Helliwell et al. (2020): study BR 2016
• Helliwell et al. (2020): study BR 2017
• Helliwell et al. (2020): study BR 2018
• Helliwell et al. (2020): study BR 2019
• Helliwell et al. (2020): study BT 2013
• Helliwell et al. (2020): study BT 2014
• Helliwell et al. (2020): study BT 2015
• Helliwell et al. (2020): study BW 2006
• Helliwell et al. (2020): study BW 2008
• Helliwell et al. (2020): study BW 2010
• Helliwell et al. (2020): study BW 2011
• Helliwell et al. (2020): study BW 2012
• Helliwell et al. (2020): study BW 2013
• Helliwell et al. (2020): study BW 2014
• Helliwell et al. (2020): study BW 2015
• Helliwell et al. (2020): study BW 2016
• Helliwell et al. (2020): study BW 2017
• Helliwell et al. (2020): study BW 2018
• Helliwell et al. (2020): study BW 2019
• Helliwell et al. (2020): study BY 2006
• Helliwell et al. (2020): study BY 2007
• Helliwell et al. (2020): study BY 2008
• Helliwell et al. (2020): study BY 2009
• Helliwell et al. (2020): study BY 2010
• Helliwell et al. (2020): study BY 2011
• Helliwell et al. (2020): study BY 2012
• Helliwell et al. (2020): study BY 2013
• Helliwell et al. (2020): study BY 2014
• Helliwell et al. (2020): study BY 2015
• Helliwell et al. (2020): study BY 2016
• Helliwell et al. (2020): study BY 2017
• Helliwell et al. (2020): study BY 2018
• Helliwell et al. (2020): study BY 2019
• Helliwell et al. (2020): study BZ 2007
• Helliwell et al. (2020): study BZ 2014
• Helliwell et al. (2020): study CA 2005
• Helliwell et al. (2020): study CA 2007
• Helliwell et al. (2020): study CA 2008
• Helliwell et al. (2020): study CA 2009
• Helliwell et al. (2020): study CA 2010
• Helliwell et al. (2020): study CA 2011
• Helliwell et al. (2020): study CA 2012
• Helliwell et al. (2020): study CA 2013
• Helliwell et al. (2020): study CA 2014
• Helliwell et al. (2020): study CA 2015
• Helliwell et al. (2020): study CA 2016
• Helliwell et al. (2020): study CA 2017
• Helliwell et al. (2020): study CA 2018
• Helliwell et al. (2020): study CA 2018 /1
• Helliwell et al. (2020): study CA 2019
• Helliwell et al. (2020): study CD 2009
• Helliwell et al. (2020): study CD 2011
• Helliwell et al. (2020): study CD 2012
• Helliwell et al. (2020): study CD 2013
• Helliwell et al. (2020): study CD 2014
• Helliwell et al. (2020): study CD 2015
• Helliwell et al. (2020): study CD 2016
• Helliwell et al. (2020): study CD 2017
• Helliwell et al. (2020): study CF 2007
• Helliwell et al. (2020): study CF 2010
• Helliwell et al. (2020): study CF 2011
• Helliwell et al. (2020): study CF 2016
• Helliwell et al. (2020): study CF 2017
• Helliwell et al. (2020): study CG 2008
• Helliwell et al. (2020): study CG 2011
• Helliwell et al. (2020): study CG 2012
• Helliwell et al. (2020): study CG 2013
• Helliwell et al. (2020): study CG 2014
• Helliwell et al. (2020): study CG 2015
• Helliwell et al. (2020): study CG 2016
• Helliwell et al. (2020): study CG 2017
• Helliwell et al. (2020): study CG 2018
• Helliwell et al. (2020): study CG 2019
• Helliwell et al. (2020): study CH 2006
• Helliwell et al. (2020): study CH 2009
• Helliwell et al. (2020): study CH 2012
• Helliwell et al. (2020): study CH 2014
• Helliwell et al. (2020): study CH 2015
• Helliwell et al. (2020): study CH 2016
• Helliwell et al. (2020): study CH 2017
• Helliwell et al. (2020): study CH 2018
• Helliwell et al. (2020): study CH 2019
• Helliwell et al. (2020): study CI 2009
• Helliwell et al. (2020): study CI 2013
• Helliwell et al. (2020): study CI 2014
• Helliwell et al. (2020): study CI 2015
• Helliwell et al. (2020): study CI 2016
• Helliwell et al. (2020): study CI 2017
• Helliwell et al. (2020): study CI 2018
• Helliwell et al. (2020): study CI 2019
• Helliwell et al. (2020): study CL 2006
• Helliwell et al. (2020): study CL 2007
• Helliwell et al. (2020): study CL 2008
• Helliwell et al. (2020): study CL 2009
• Helliwell et al. (2020): study CL 2010
• Helliwell et al. (2020): study CL 2011
• Helliwell et al. (2020): study CL 2012
• Helliwell et al. (2020): study CL 2013
• Helliwell et al. (2020): study CL 2014
• Helliwell et al. (2020): study CL 2015
• Helliwell et al. (2020): study CL 2016
• Helliwell et al. (2020): study CL 2017
• Helliwell et al. (2020): study CL 2018
• Helliwell et al. (2020): study CL 2019
• Helliwell et al. (2020): study CM 2006
• Helliwell et al. (2020): study CM 2007
• Helliwell et al. (2020): study CM 2008
• Helliwell et al. (2020): study CM 2009
• Helliwell et al. (2020): study CM 2010
• Helliwell et al. (2020): study CM 2011
• Helliwell et al. (2020): study CM 2012
• Helliwell et al. (2020): study CM 2013
• Helliwell et al. (2020): study CM 2014
• Helliwell et al. (2020): study CM 2015
• Helliwell et al. (2020): study CM 2016
• Helliwell et al. (2020): study CM 2017
• Helliwell et al. (2020): study CM 2018
• Helliwell et al. (2020): study CM 2019
• Helliwell et al. (2020): study CN 2006
• Helliwell et al. (2020): study CN 2007
• Helliwell et al. (2020): study CN 2008
• Helliwell et al. (2020): study CN 2009
• Helliwell et al. (2020): study CN 2010
• Helliwell et al. (2020): study CN 2011
• Helliwell et al. (2020): study CN 2012
• Helliwell et al. (2020): study CN 2013
• Helliwell et al. (2020): study CN 2014
• Helliwell et al. (2020): study CN 2015
• Helliwell et al. (2020): study CN 2016
• Helliwell et al. (2020): study CN 2017
• Helliwell et al. (2020): study CN 2018
• Helliwell et al. (2020): study CN 2019
• Helliwell et al. (2020): study CO 2006
• Helliwell et al. (2020): study CO 2007
• Helliwell et al. (2020): study CO 2008
• Helliwell et al. (2020): study CO 2009
• Helliwell et al. (2020): study CO 2010
• Helliwell et al. (2020): study CO 2011
• Helliwell et al. (2020): study CO 2012
• Helliwell et al. (2020): study CO 2013
• Helliwell et al. (2020): study CO 2014
• Helliwell et al. (2020): study CO 2015
• Helliwell et al. (2020): study CO 2016
• Helliwell et al. (2020): study CO 2017
• Helliwell et al. (2020): study CO 2018
• Helliwell et al. (2020): study CO 2019
• Helliwell et al. (2020): study CR 2006
• Helliwell et al. (2020): study CR 2007
• Helliwell et al. (2020): study CR 2008
• Helliwell et al. (2020): study CR 2009
• Helliwell et al. (2020): study CR 2010
• Helliwell et al. (2020): study CR 2011
• Helliwell et al. (2020): study CR 2012
• Helliwell et al. (2020): study CR 2013
• Helliwell et al. (2020): study CR 2014
• Helliwell et al. (2020): study CR 2015
• Helliwell et al. (2020): study CR 2016
• Helliwell et al. (2020): study CR 2017
• Helliwell et al. (2020): study CR 2018
• Helliwell et al. (2020): study CR 2019
• Helliwell et al. (2020): study CU 2006
• Helliwell et al. (2020): study CY 2006
• Helliwell et al. (2020): study CY 2009
• Helliwell et al. (2020): study CY 2010
• Helliwell et al. (2020): study CY 2011
• Helliwell et al. (2020): study CY 2012
• Helliwell et al. (2020): study CY 2013
• Helliwell et al. (2020): study CY 2014
• Helliwell et al. (2020): study CY 2015
• Helliwell et al. (2020): study CY 2016
• Helliwell et al. (2020): study CY 2017
• Helliwell et al. (2020): study CY 2018
• Helliwell et al. (2020): study CY 2019
• Helliwell et al. (2020): study CZ 2005
• Helliwell et al. (2020): study CZ 2007
• Helliwell et al. (2020): study CZ 2010
• Helliwell et al. (2020): study CZ 2011
• Helliwell et al. (2020): study CZ 2012
• Helliwell et al. (2020): study CZ 2013
• Helliwell et al. (2020): study CZ 2014
• Helliwell et al. (2020): study CZ 2015
• Helliwell et al. (2020): study CZ 2016
• Helliwell et al. (2020): study CZ 2017
• Helliwell et al. (2020): study CZ 2018
• Helliwell et al. (2020): study DE 2005
• Helliwell et al. (2020): study DE 2007
• Helliwell et al. (2020): study DE 2008
• Helliwell et al. (2020): study DE 2009
• Helliwell et al. (2020): study DE 2010
• Helliwell et al. (2020): study DE 2011
• Helliwell et al. (2020): study DE 2012
• Helliwell et al. (2020): study DE 2013
• Helliwell et al. (2020): study DE 2014
• Helliwell et al. (2020): study DE 2015
• Helliwell et al. (2020): study DE 2016
• Helliwell et al. (2020): study DE 2017
• Helliwell et al. (2020): study DE 2018
• Helliwell et al. (2020): study DE 2019
• Helliwell et al. (2020): study DJ 2008
• Helliwell et al. (2020): study DJ 2009
• Helliwell et al. (2020): study DJ 2010
• Helliwell et al. (2020): study DJ 2011
• Helliwell et al. (2020): study DK 2005
• Helliwell et al. (2020): study DK 2007
• Helliwell et al. (2020): study DK 2008
• Helliwell et al. (2020): study DK 2009
• Helliwell et al. (2020): study DK 2010
• Helliwell et al. (2020): study DK 2011
• Helliwell et al. (2020): study DK 2012
• Helliwell et al. (2020): study DK 2013
• Helliwell et al. (2020): study DK 2014
• Helliwell et al. (2020): study DK 2015
• Helliwell et al. (2020): study DK 2016
• Helliwell et al. (2020): study DK 2017
• Helliwell et al. (2020): study DK 2018
• Helliwell et al. (2020): study DK 2019
• Helliwell et al. (2020): study DO 2006
• Helliwell et al. (2020): study DO 2007
• Helliwell et al. (2020): study DO 2008
• Helliwell et al. (2020): study DO 2009
• Helliwell et al. (2020): study DO 2010
• Helliwell et al. (2020): study DO 2011
• Helliwell et al. (2020): study DO 2012
• Helliwell et al. (2020): study DO 2013
• Helliwell et al. (2020): study DO 2014
• Helliwell et al. (2020): study DO 2015
• Helliwell et al. (2020): study DO 2016
• Helliwell et al. (2020): study DO 2017
• Helliwell et al. (2020): study DO 2018
• Helliwell et al. (2020): study DO 2019
• Helliwell et al. (2020): study DZ 2010
• Helliwell et al. (2020): study DZ 2011
• Helliwell et al. (2020): study DZ 2012
• Helliwell et al. (2020): study DZ 2014
• Helliwell et al. (2020): study DZ 2016
• Helliwell et al. (2020): study DZ 2017
• Helliwell et al. (2020): study DZ 2018
• Helliwell et al. (2020): study DZ 2019
• Helliwell et al. (2020): study EC 2006
• Helliwell et al. (2020): study EC 2007
• Helliwell et al. (2020): study EC 2008
• Helliwell et al. (2020): study EC 2009
• Helliwell et al. (2020): study EC 2010
• Helliwell et al. (2020): study EC 2011
• Helliwell et al. (2020): study EC 2012
• Helliwell et al. (2020): study EC 2013
• Helliwell et al. (2020): study EC 2014
• Helliwell et al. (2020): study EC 2015
• Helliwell et al. (2020): study EC 2016
• Helliwell et al. (2020): study EC 2017
• Helliwell et al. (2020): study EC 2018
• Helliwell et al. (2020): study EC 2019
• Helliwell et al. (2020): study EE 2006
• Helliwell et al. (2020): study EE 2007
• Helliwell et al. (2020): study EE 2008
• Helliwell et al. (2020): study EE 2009
• Helliwell et al. (2020): study EE 2011
• Helliwell et al. (2020): study EE 2012
• Helliwell et al. (2020): study EE 2013
• Helliwell et al. (2020): study EE 2014
• Helliwell et al. (2020): study EE 2015
• Helliwell et al. (2020): study EE 2016
• Helliwell et al. (2020): study EE 2017
• Helliwell et al. (2020): study EE 2018
• Helliwell et al. (2020): study EE 2019
• Helliwell et al. (2020): study EG 2005
• Helliwell et al. (2020): study EG 2007
• Helliwell et al. (2020): study EG 2008
• Helliwell et al. (2020): study EG 2009
• Helliwell et al. (2020): study EG 2010
• Helliwell et al. (2020): study EG 2011
• Helliwell et al. (2020): study EG 2012
• Helliwell et al. (2020): study EG 2013
• Helliwell et al. (2020): study EG 2014
• Helliwell et al. (2020): study EG 2015
• Helliwell et al. (2020): study EG 2016
• Helliwell et al. (2020): study EG 2017
• Helliwell et al. (2020): study EG 2018
• Helliwell et al. (2020): study EG 2019
• Helliwell et al. (2020): study ES 2005
• Helliwell et al. (2020): study ES 2007
• Helliwell et al. (2020): study ES 2008
• Helliwell et al. (2020): study ES 2009
• Helliwell et al. (2020): study ES 2010
• Helliwell et al. (2020): study ES 2011
• Helliwell et al. (2020): study ES 2012
• Helliwell et al. (2020): study ES 2013
• Helliwell et al. (2020): study ES 2014
• Helliwell et al. (2020): study ES 2015
• Helliwell et al. (2020): study ES 2016
• Helliwell et al. (2020): study ES 2017
• Helliwell et al. (2020): study ES 2018
• Helliwell et al. (2020): study ES 2019
• Helliwell et al. (2020): study ET 2012
• Helliwell et al. (2020): study ET 2013
• Helliwell et al. (2020): study ET 2014
• Helliwell et al. (2020): study ET 2015
• Helliwell et al. (2020): study ET 2016
• Helliwell et al. (2020): study ET 2017
• Helliwell et al. (2020): study ET 2018
• Helliwell et al. (2020): study ET 2019
• Helliwell et al. (2020): study FI 2006
• Helliwell et al. (2020): study FI 2008
• Helliwell et al. (2020): study FI 2010
• Helliwell et al. (2020): study FI 2011
• Helliwell et al. (2020): study FI 2012
• Helliwell et al. (2020): study FI 2013
• Helliwell et al. (2020): study FI 2014
• Helliwell et al. (2020): study FI 2015
• Helliwell et al. (2020): study FI 2016
• Helliwell et al. (2020): study FI 2017
• Helliwell et al. (2020): study FI 2018
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• Helliwell et al. (2020): study XY Cyprus-Turkish 2012
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• Helliwell et al. (2020): study XY Kosovo 2007
• Helliwell et al. (2020): study XY Kosovo 2008
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• Helliwell et al. (2020): study XY Kosovo 2010
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• Helliwell et al. (2020): study XY Somaliland 2009
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• Helliwell et al. (2020): study XY Somaliland 2011
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