@article{Headey2008,
author = {Headey, B. and Muffels, R. and Wooden, M.},
title= {Money does not buy happiness: or does it? A reassessment based on the combined effect of wealth, income and consumption},
year = {2008},
doi = {10.1007/s11205-007-9146-y},
volume = {87},
pages = {65‒82},
}