health behaviour campaigns and the persistence of misinformation. We implement a field experiment among a representative …

's contacts. However, results from a field experiment where broadcasting of the initial pledges was randomized suggest that the … observational findings were likely due to homophily rather than genuine social contagion effects. The experiment also shows that … (30 out of 6.4 million users reached) were made. Finally, an online survey experiment showed that both the presence of an …

experiment across Germany, randomly assigning almost 8,000 postal codes to Save the Children fundraising videos or to a pure …Does online fundraising increase charitable giving? Using the Facebook advertising tool, we implemented a natural field … measurement issues. We found that (i) video fundraising increased donation frequency and value to Save the Children during the …

Does online fundraising increase charitable giving? We implemented a natural field experiment across Germany, randomly … assigning all of the country's 8,000 zip codes to Save the Children Facebook fundraising videos or a pure control and studied … fundraising increased donation frequency and value to Save the Children during the campaign and in the subsequent five weeks; (ii …

experiment across Germany, randomly assigning almost 8,000 postal codes to Save the Children fundraising videos or to a pure …Does online fundraising increase charitable giving? Using the Facebook advertising tool, we implemented a natural field … substitution and measurement issues. We found that (i) video fundraising increased donation revenue and frequency to Save the …