Please use this identifier to cite or link to this item: http://hdl.handle.net/10419/265135
Year of Publication: 
2022
Series/Report no.: 
KIT Working Paper Series in Economics No. 157
Publisher: 
Karlsruher Institut für Technologie (KIT), Institut für Volkswirtschaftslehre (ECON), Karlsruhe
Abstract: 
We study the influence of social messages that promote a digital public good, a COVID-19 tracing app. We vary whether subjects receive a digital message from another subject, and, if so, at what cost it came. Observed maximum willingness to invest in sending varies, from 1 cent up to 20 euros. Does this affect receivers' sending behavior? Willingness to invest in sending increases when previously receiving the message. Yet, cost signals have no impact. Thus, grassroots movements can be started at virtually no cost. App-support matters normatively as non-supporters are supposed to be punished in triage.
Subjects: 
Grassroots movements
digital public good
social messages
COVID-19 tracing app
triage
JEL: 
D9
I12
I18
H12
Persistent Identifier of the first edition: 
Document Type: 
Working Paper

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