@techreport{Kahneman2006,
author = {Kahneman, D. and Krueger, A.B. and Schkade, D. and Schwarz, N. and Stone, A.A.},
title= {Would you be happier if you were richer? A focusing illusion},
year = {2006},
institution = {CEPS Working Paper},
number = {125 },
}