Antitrust enforcement in technology industries can be challenging: historical market information may have limited relevance, market shares may be unstable, and new entrants can be highly disruptive. Both the Federal Trade Commission and the Department of Justice have acknowledged the rigors of...

The part of the economy that depends, directly or indirectly, fully or partially, on the flow and analysis of data is growing of importance2. Data-driven businesses are spilling over from the online to the offline economy, changing traditional industries. They are set to become pervasive in the...

Our behaviour on the internet is continuously monitored and processed through the elaboration of big data. Complex algorithms categorize our choices and personalise our online environment, which is used to propose, inter alia, bespoke news and information. It is in this context, that the...

Facebook’s proposed cryptocurrency, Libra, and its payment system, Novi, pose antitrust challenges and opportunities. By stepping into the financial arena, Facebook raises questions about whether antitrust scrutiny is available at all to review this expansion, and whether the right legal tools...

Platform power is a societal concern on many levels. Thus, we argue that addressing it with the common market competition approach is limited. The research we present aims to develop and test an alternative approach to conceptualising and assessing platform power. We propose a framework that...

After a three-year investigation the German Competition Authority found Facebook's data policy abusive. In the authority's assessment, by making the use of its social-networking service conditional upon users granting extensive permission to collect and process their personal data, Facebook...

Tracking online user behavior is essential for targeted advertising and is at the heart of the business model of major online platforms. We analyze tracker-specific web browsing data to show how the prediction quality of consumer profiles varies with data size and scope. We find decreasing...

Tracking online user behavior is essential for targeted advertising and is at the heart of the business model of major online platforms. We analyze tracker-specific web browsing data to show how the prediction quality of consumer profiles varies with data size and scope. We find decreasing...