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...

We review the burgeoning literature on the economics of social media, which has become ubiquitous in the modern economy and fundamentally changed how people interact. We first define social media platforms and isolate the features that distinguish them from traditional media and other digital...

In this study, we propose a novel approach to detect supply-side media bias, independent of external factors like ownership or editors' ideological leanings. Analyzing over 100,000 articles from The New York Times (NYT) and The Wall Street Journal (WSJ), complemented by data from 22 million...

Warum Sie die digitale Revolution herausfordert und wieso Sie jetzt handeln müssen -- Digitaler Darwinismus und die Social Revolution -- Big-Data und Technologie -- Wie die Social Revolution zu managen ist -- Wie Marketing zum ROI-Treiber im Unternehmen wird -- Vertrauen – die neue Währung...

This paper investigates whether social media access is associated with increased probability or intensity of ethnic conflict in Myanmar. In this context most people use mobile phones, and particularly the Facebook app, to access the internet. To distinguish the effects of social media from those...

Previous research has extensively investigated why users spread misinformation online, while less attention has been given to the motivations behind sharing fact-checks. This paper reports a four-country survey experiment assessing the influence o f c onfirmation and refutation frames on...

Einführung -- Elektronische Platttformen der Internet-Ökonomie -- Basiswissen -- Elektronische Märkte -- Beurteilungskriterien elektronischer Märkte -- Prinzipien der Internet-Ökonomie -- Basiswissen -- Digitale Güter und Informationsgüter -- Netzeffekte -- IT-Standards, Lock-In und...