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Spillovers of Prosocial Motivation: Evidence from an Intervention Study on Blood Donors

Bruhin, Adrian and Goette, Lorenz and Haenni, Simon and Jiang, Lingqing (2020) 'Spillovers of Prosocial Motivation: Evidence from an Intervention Study on Blood Donors.' Journal of Health Economics, 70. p. 102244. ISSN 0167-6296

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Abstract

Blood donations are increasingly important for medical procedures, while meeting demand is challenging. This paper studies the role of spillovers arising from social interactions in the context of voluntary blood donations. We analyze a large scale intervention among pairs of blood donors who live at the same street address. A quasi-random phone call provides the instrument for identifying the extent to which the propensity to donate spills over within these pairs. Spillovers transmit 41% to 46% of the behavioral impulse from one donor to the peer. This creates a significant social multiplier, ranging between 1.7 and 1.85. There is no evidence that these spillovers lead to intertemporal substitution. Taken together, our findings indicate that policy interventions have a substantially larger effect when targeted towards pairs instead of isolated individuals.

Item Type: Article
Uncontrolled Keywords: Voluntary Blood Donation, Social Interaction, Bivariate Probit
Divisions: Faculty of Social Sciences
Faculty of Social Sciences > Economics, Department of
SWORD Depositor: Elements
Depositing User: Elements
Date Deposited: 07 Oct 2019 11:57
Last Modified: 06 Jan 2022 14:05
URI: http://repository.essex.ac.uk/id/eprint/25558

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