In this book Ariel Ezrachi and Maurice Stucke take a hard look at today's app-assisted digital shopping. While consumers reap many benefits from online purchasing, the sophisticated algorithms and data crunching that make browsing so convenient are also changing the nature of market competition,...

In the future, one may imagine a new breed of antitrust humor. Jokes might start along the following lines: “Two Artificial Neural Network and one Nash equilibrium meet in an online (pub) hub. After a few milliseconds, a unique silent friendship is formed…” Back to the present; we are not...

Our submission to the U.K. House of Lords, Internal Market Sub-Committee is based on our joint research, which explores the effects Big Data and technology have on competition dynamics. It reviews the use of technology to facilitate collusion, conscious parallelism, and unilateral price...

Algorithmic collusion is a hot topic within antitrust circles in Europe, US and beyond. But some economists downplay algorithmic collusion as unlikely, if not impossible. This paper responds to these criticisms by pointing to new emerging evidence and the gap between law and this particular...

With the rise of the super-platforms, we tend to look down (on their effect on consumers) rather than up (their effect on sellers and upstream providers). In looking down it seems like Google, Amazon and Facebook are using their power in the marketplace to deliver great value to us — wrestling...

Alongside the consideration of price, competition authorities recognize that quality can be as, if not more, important in some markets. But as competition authorities also recognize, identifying the dimensions of competition important to many consumers is difficult. Even when these dimensions of...

The European Commission’s Statement of Objections forms the latest addition to the ongoing debate on the possible misuse of Google’s position in the search engine market. The scholarly debate, however, has largely been over the exclusionary effects of search degradation. Less attention has...