Abstract Research Summary This paper studies the impact of platform‐owner entry threat on
complementors in platform‐based markets. We examine how app developers on the …

Using data on 4.1 million apps at the Google Play Store from 2016 to 2019, we document
that GDPR induced the exit of about a third of available apps; and in the quarters following …

In many online markets, consumers have to spend time and effort browsing through
products. The addition of new products could make other products less visible, creating …

Although regional data protection and privacy regimes are often cited as major barriers to
crossborder digital trade, mitigating consumer privacy concerns through regulations can …

Abstract Since 2010, Google, Apple, Facebook, Amazon, and Microsoft (GAFAM) have
acquired more than 400 companies. Competition authorities did not scrutinize most of these …

Firms considering to enter into online markets face significant demand uncertainty and
consumer search costs, with consumers most likely finding previously successful products in …

This report written for the German consumer association vzbv (Verbraucherzentrale
Bundesverband) analyzes the relationship between data protection law and competition law …

This paper examines the effects of changing consumer product discovery costs in online
markets on entry, market congestion, quality and consumer welfare. Using new Android app …

Firms may share information to discover potential synergies between their data sets and
algorithms, eventually leading to more efficient mergers and acquisitions (M&A) decisions …

We analyze mergers between strategic data intermediares collecting consumer information
that they sell to firms competing in a product market. We show that a merger:(a) reduces the …