El Confidencial:
La unica cosa de la que de verdad deberias preocuparte si quieres ser feliz
10 January 2015
This article was published online by El Confidencial on January 10, 2015
Link to article here
Related publications
'Putting a price tag on friends, relatives, and neighbours: Using surveys of life satisfaction to value social relationships', Nattavudh Powdthavee, The Journal of Socio-Economics, Volume 37, Issue 4, August 2008
Link here
Related links
Nick Powdthavee webpage
Wellbeing Programme webpage