Please use this identifier to cite or link to this item: https://hdl.handle.net/10419/311688 
Year of Publication: 
2025
Series/Report no.: 
ISER Discussion Paper No. 1273
Publisher: 
Osaka University, Institute of Social and Economic Research (ISER), Osaka
Abstract: 
We conduct an online donation dictator game experiment with over 1,300 participants, representative of the Japanese population, to investigate the relationship between the incentive scheme and prosocial behavior by systematically varying the stake size and probability of being paid, including those where the expected payments are controlled. We find that stake size is the main driver of donation decisions, even in the hypothetical scenario. Our result suggests that paying a large amount to a few participants incentivizes donation decisions better than paying a small amount to many in large-scale online experiments.
Subjects: 
Between-subject random incentive
Donation-dictator game
Social preferences
JEL: 
C91
D90
Document Type: 
Working Paper

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