Category Archives: Social values

Spillovers of Pro-Social Motivation: Evidence From a Randomised Intervention Study on Blood Donors

Evidence suggests that people are more likely to behave in a pro-social way if they are aware of others who behave in such a manner. This column finds evidence for this phenomenon among blood donors. For every unit increase in a donor’s motivation, there is a 44% spillover in motivation to their fellow tenant. There is an overall increase in donation rates due to such a social multiplier of 17.9 percentage points, instead of the 10 percentage points obtained by calling an isolated donor.

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