On online platforms, consumers face an abundance of options that are displayed in the form of a position ranking. Only products placed in the first few positions are readily accessible to the consumer, and she needs to exert effort to access more options. For such platforms, we develop a...

On February 10th, 2021 the antitrust chamber of the German Regional Court of Munich granted two summary judgments in favor of the health portal NetDoktor, banning the preferential display within Google search results pages of boxes with information exclusively drawn from a state-run health...

We study whether Amazon engages in self-preferencing on its marketplace by favoring its own brands (e.g., Amazon Basics) in search. To address this question, we collect new micro-level consumer search data using a custom browser extension installed by a panel of study participants. Using this...