@misc
{TN_libero_mab2,
author = {
Aknin, Lara B.
National Bureau of Economic Research
Mayraz, Guy
AND
Helliwell, John F.
},
title = {
The Emotional Consequences of Donation Opportunities
},
publisher = {National Bureau of Economic Research},
year = {November 2014},
booktitle = {NBER working paper series ; no. w20696},
address = {
Cambridge, Mass
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}