Social media use plays an important role in shaping individuals' social attitudes and economic behaviours. One of the first well-known examples of social media campaigns is the Ice Bucket Challenge (IBC), a charity campaign that went viral on social media networks in August 2014, aiming to...

Social media use plays an important role in shaping individuals' social attitudes and economic behaviours. One of the first well-known examples of social media campaigns is the Ice Bucket Challenge (IBC), a charity campaign that went viral on social media networks in August 2014, aiming to...

Social media play a relevant role in shaping social attitudes and economic behaviors of individuals. One of the first very well-known examples of social media campaign is the Ice Bucket Challenge (IBC), a charity campaign that went viral on social networks in August 2014 aiming at collecting...

Recent evidence suggests that nudges, i.e. alterations in the decisional context, can have large effects on decisions and can improve individual and public welfare. This paper presents the results of a controlled experiment that was designed to evaluate not only the effectiveness of a default...

Online social networks have the potential to encourage behaviors that improve the health and well-being of society at an unprecedented scale. We examine the impact of Facebook’s blood donation tool on voluntary blood donation in three large countries. Quasi-experimental evidence in the United...

How do the social media affect the success of charitable promotional campaigns? We use individual-level longitudinal data and experimental data from a social-media application that facilitates donations while broadcasting donors' activities to their contacts. We find that broadcasting is...