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Hui, Xiang; Klein, Tobias J.; Stahl, Konrad - 2024

Online ratings play an important role in many markets. However, how fast they can reveal seller types remains unclear. To study this question, we propose a new model in which a buyer learns about the seller’s type from previous ratings and her own experience and rates the seller if she learns...

Persistent link: https://www.econbiz.de/10014556695

Lock-in effects in online labor markets

Ciotti, Fabrizio; Hornuf, Lars; Stenzhorn, Eliza - 2021

This article reports on an investigation of the role of lock-in exploitation and the impact of reputation portability … on workers’ switching behaviors in online labor markets. Online platforms using reputation mechanisms typically prevent … comparing a policy regime with and without reputation portability, we vary lock-in exploitation using platform fees to consider …

Persistent link: https://www.econbiz.de/10012652857

Partisan selective engagement : evidence from Facebook

Garz, Marcel; Sörensen, Jil; Stone, Daniel F. - 2019

This study investigates the effects of variation in "congeniality" of news on Facebook user engagement (likes, shares, and comments). We compile an original data set of Facebook posts by 84 German news outlets on politicians that were investigated for criminal offenses from January 2012 to June...

Persistent link: https://www.econbiz.de/10012138905

Taxation and global spillovers in the digital advertising market : theory and evidence from Facebook

Lassmann, Andrea; Liberini, Federica; Russo, Antonio; … - 2020

We study the effects of taxation on the international online advertising market, using data on Facebook ad prices, Facebook users product preferences and international trade. Our data encompass a de facto increase in the platform's corporate tax rate in several countries. We show that, due to...

Persistent link: https://www.econbiz.de/10012174804

How much influencer marketing is undisclosed? : evidence from Twitter

Ershov, Daniel; He, Yanting; Seiler, Stephan - 2023

We quantify the prevalence of undisclosed influencer posts on Twitter across a large set of brands based on a unique data set of over 100 million posts. We develop a novel method to detect undisclosed influencer posts and find that 96% of influencer posts are not disclosed as such. Despite...

Persistent link: https://www.econbiz.de/10014422653

Advertising and content differentiation : evidence from YouTube

Kerkhof, Anna - 2020

This paper studies the effect of advertising on content differentiation on YouTube, the second-most visited website in the world. I demonstrate that an exogenous increase in the feasible advertising quantity leads to a considerable decrease in the YouTubers' probability to duplicate mainstream...

Persistent link: https://www.econbiz.de/10012313777

Drivers of digital attention : evidence from a social media experiment

Aridor, Guy - 2022

I study demand for social media services by conducting an experiment where I monitor how participants spend time on digital services and shut off access to Instagram or YouTube on their mobile phones. I characterize how participants substitute their time during and after the restrictions, which...

Persistent link: https://www.econbiz.de/10013482241

Privacy regulation and targeted advertising : evidence from Apple's App Tracking Transparency

Aridor, Guy; Che, Yeon-Koo - 2024

-optimized advertisements, for which such data is crucial for targeting, suffered a 37.1% reduction in click-through rates, compared with clicks …

Persistent link: https://www.econbiz.de/10014468980

Does online fundraising increase charitable giving? : a nationwide field experiment on Facebook

Adena, Maja; Hager, Anselm - 2024

) the effects were similar independent of video content and impression assignment strategy. However, we also found some …

Persistent link: https://www.econbiz.de/10014478191

Content moderation and advertising in social media platforms

Madio, Leonardo; Quinn, Martin - 2024 - This version: June 2024

We study the incentive of an ad-funded social media platform to curb the presence of unsafe content that entails reputational risk to advertisers. We identify conditions for the platform not to moderate unsafe content and demonstrate how the optimal moderation policy depends on the risk the...

Persistent link: https://www.econbiz.de/10014556691

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