Digitale Plattformen sind auf vielen Märkten aktiv und spielen deshalb auch bei Innovationen eine entscheidende Rolle. Sie selbst bringen Innovationen hervor, können aber auch bei den Plattformnutzern und anderen Akteuren des Plattformökosystems Innovationen incentivieren. Plattformen...

We examine how heterogeneity in customers' multi-homing tendencies affects a platform's response to new entrants in its market. We develop a formal model to generate empirical predictions and then test them leveraging a historical setting: TV broadcast station entry into local newspaper markets...

There is broad international consensus that ex ante regulation is needed to address the market dominance of the very largest digital platforms and that there are benefits to having broadly coherent regulatory approaches across jurisdictions. Regulation in any one jurisdiction will have...

Chapter 1. Introduction -- Chapter 2. Defining Competition & AI Developments -- Chapter 3. Competition & Governance -- Chapter 4. Competition, Market Power and Politics -- Chapter 5. Competition & AAI -- Chapter 6. US versus EU Competition -- Chapter 7. Chicago School, Harvard School, New...