Carlsson, FredrikHe, HaoranMartinsson, Peter2009-08-112009-08-112009-08-111403-2465http://hdl.handle.net/2077/20794A growing number of experimental studies focus on the differences between the lab and the field. Important in this issue is the role of windfall money. By conducting a dictator game, where the recipient is a charity organization, in exactly the same way in the laboratory and in the field, we investigate the influence of windfall and earned endowment on behavior. We find a strong effect on donation amounts of earned endowment in the lab and the field. Subjects donate more if the endowment is a windfall gain. Thus, windfall money is important not only in a lab environment. However, even for earned endowment, there is a significant difference in behavior between the lab and the field.engCharitable givingDictator gameLaboratory experimentField experimentWindfall moneyText