Prices need no preferences: social trends determine decisions in experimental markets for pain relief
Health Psychology (2014) - Comment
pubmed: 23148449  doi: 10.1037/a0030372  issn: 1930-7810  issn: 0278-6133 

Ivo Vlaev, Ben Seymour, Nick Chater, Joel S. Winston, Wako Yoshida, Nicholas Wright, Mkael Symmonds, Ray Dolan