Please use this identifier to cite or link to this item: http://hdl.handle.net/10419/242114
Authors: 
Welsch, Heinz
Year of Publication: 
2021
Series/Report no.: 
Oldenburg Discussion Papers in Economics No. V-437-21
Abstract: 
The rational choice model of voluntary public good provision predicts that an individual's contribution to climate change mitigation responds negatively to larger contributions by others whereas social norm theory maintains that one's own contribution is positively related to that of others. This paper tests the competing hypotheses empirically using representative data for about 30,000 individuals from 23 European countries. The paper finds that, up to a threshold percentage of others perceived to engage in mitigation, individuals' willingness to engage in mitigation themselves is lower the more other individuals are perceived to engage in such behavior, whereas the relationship is positive when the threshold is passed. Since the actual percentage of others perceived to engage in mitigation is lower than the estimated threshold (30 to 56 percent) in a number of countries, marginal increases in the percentage of others perceived to behave in a climate-friendly way may backfire by enhancing free-rider behavior. For the social norm to take grip, policy-induced non-marginal increases of perceptions may be warranted in such cases. Given that the actual level of the relevant behavior is large relative to the perceived level, informing people about the actual level constitutes a sufficiently large change to trigger an increase in the behavior studied.
Subjects: 
climate change
social norm
rational choice
voluntary public good provision
social tipping point
JEL: 
D01
D91
H41
Q54
Document Type: 
Working Paper

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