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...

Does online fundraising increase charitable giving? Using the Facebook advertising tool, we implemented a natural field experiment across Germany, randomly assigning almost 8,000 postal codes to Save the Children fundraising videos or to a pure control. We studied changes in the donation revenue...

Does online fundraising increase charitable giving? Using the Facebook advertising tool, we implemented a natural field experiment across Germany, randomly assigning almost 8,000 postal codes to Save the Children fundraising videos or to a pure control. We studied changes in the donation revenue...

Does online fundraising increase charitable giving? Using the Facebook advertising tool, we implemented a natural field experiment across Germany, randomly assigning almost 8,000 postal codes to Save the Children fundraising videos or to a pure control. We studied changes in the donation revenue...

Measuring the causal effects of digital advertising remains challenging despite the availability of granular data. Unobservable factors make exposure endogenous, and advertising's effect on outcomes tends to be small. In principle, these concerns could be addressed using randomized controlled...

I investigate the identification of social learning in online markets. In these markets, there is often a two-stage decision making process where a consumer first chooses whether or not to search a product and then chooses whether or not to buy it. Additionally, the social learning signals are...

As firms increasingly use social media to provide disclosures to investors, it is important to understand whether the characteristics that are associated with these disclosures lead to different reactions from investors than disclosures provided via more traditional channels. In this paper, we...

The web is increasingly relied upon as a reflection of reality, which raises a number of key issues not yet fully recognized or articulated, warranting further study. This new digital reality and the unprecedented capabilities it embodies in terms of searchability, aggregatability, temporal...

Product review platforms in online marketplaces differ with respect to the granularity of product quality information they provide. While some platforms provide a coarse single overall rating for product quality (also referred to as single-dimensional rating scheme), others provide a more...

Researchers and brand managers have limited understanding of the effects of firm-created and user-generated social media communication on brand equity, brand attitude, and purchase intention. Thus, we investigated 504 Facebook users using a standardized online survey across Poland. To test the...