Charities increasingly utilize social media tools in fundraising. This research studies three mechanisms by which Facebook “likes” affect charitable behavior: (1) signaling, (2) commitment escalation, and (3) social contagion. The first study manipulates the number of Facebook likes on a...

Online freelance marketplaces are websites that match buyers of electronically deliverable services with freelancers. While freelancing has grown in recent years, it faces the classic ‘information asymmetry’ problem – buyers face uncertainty over seller quality. Typically, these markets...

The World Wide Web (“WWW”) is a dominant force in the lives of many. It provides access to a range of services and information from email access to shopping to social media to instant information on search engines like Google. For most persons using the WWW, this is all that there is to the...

We examine the intersection of two major trends at online retail platforms: the emergence of retail media, which allows sellers to advertise on retail platforms alongside selling their products, and the platforms' switch away from reselling towards marketplace formats. We study whether and when...

Many Internet markets rely on quot;feedback systemsquot;, essentially social networks of reputation, to facilitate trust and trustworthiness in anonymous transactions. Market competition creates incentives that arguably may enhance or curb the effectiveness of these systems. We investigate how...

This paper studies stylized models of multi-unit uniform-price dynamic auctions and posted price, two selling mechanisms popular with peer-to-peer lending platforms, in a setup with common value and independent private signals. The models have two novel features: an "All-or-None" transaction...

This paper contains our personal observations on the CMA's Interim Report on its Market Study on Online platforms and digital advertising (the “Interim Report”). As a starting point, we are very impressed by the quality of the Interim Report as it correctly identifies the competition issues...

I appreciate the opportunity to submit observations on the Statement of Scope (“SOS”) of the Market Study on “Online Platforms and Digital Advertising”. This Market Study is welcome given the importance of digital advertising for online content providers (which I will refer to as...

Die Autoren untersuchen im vorliegenden Artikel den Einfluss der zunehmenden Nutzung von Social Media auf das Personalmanagement. Dabei liegt der Fokus vor allem auf dem Bereich Employer Branding, weil die Veränderungen des Medienkonsums und Kommunikationsverhalten, die durch die Nutzung von...

The rise of social media is causing challenges for brand managers of premium manufacturers in the fast moving consumer goods industry. Social Media platforms as innovative and open communication channels have to be integrated in the established media mix while preventing the damage of the...