“…So far it is not clear whether behavioral interventions that have proven effective for other types of contributions to public goods (Frey & Meier, 2004;Ling et al, 2005;Andreoni, 2007;Shang & Croson, 2009;Chen et al, 2010Chen et al, , 2020Krupka & Croson, 2015) translate to personal data. In a field experiment on one of Germany's largest online education platforms, we show that a classical remedy in the sphere of public goods fundingemphasis on a large circle of beneficiaries (Andreoni, 2007;Zhang & Zhu, 2011) also significantly increases users' willingness to contribute personal data.…”