@article{RienerTraxler, author = {Riener, Gerhard and Traxler, Christian}, title = {Norms, moods, and free lunch: Longitudinal evidence on payments from a Pay-What-You-Want restaurant}, series = {The Journal of Socio-Economics}, volume = {41}, journal = {The Journal of Socio-Economics}, number = {4}, doi = {10.1016/j.socec.2011.07.003}, pages = {476 -- 483}, language = {en} }