Across the world, regulators and policy makers are grappling with how to establish a competitive, safe and fair online environment that also safeguards users’ fundamental rights as citizens. Ahead of the European Commission’s Digital Markets Act (DMA), this book “Digital markets and online...

We quantify the effects of others' adoptions and word-of-mouth (volume and valence) on consumers' product adoption decisions. We differentiate between the effects of word-of-mouth and observed adoptions from friends ("personal network") and the effects of word-of-mouth and observed adoptions...

Since 2010, the EU policy concerning the Digital Agenda and the Digital Single Market Strategy aimed to advance EU growth with concrete actions, in order to "unleash the potential of e-commerce". Among the major achievements of the Digital Single Market Strategy is the Regulation on Online...

This report presents evidence on the relationship between online platforms and businesses using these platforms to reach consumers or conduct their operations. First, we review the literature on vertical relationships both from a classic approach and from a multi-sided market perspective....