Partly motivated by the recent antitrust investigations concerning Google, we develop a leverage theory of tying in two-sided markets. We analyze incentives for a monopolist to tie its monopolized product with another product in a two-sided market. Tying provides a mechanism to circumvent the...

Partly motivated by the recent antitrust investigations concerning Google, we develop a leverage theory of tying in two-sided markets. We analyze incentives for a monopolist to tie its monopolized product with another product in a two-sided market. Tying provides a mechanism to circumvent the...

In diesem Beitrag werden Entwicklungen des digitalen Zeitalters wie Musik-Streaming, Betriebssysteme und Apps sowie soziale Netzwerke mit ökonomischen Modellen erklärt. Die teilweise sehr mathematischen Modelle aus der Industrie- und der Netzwerkökonomik werden aber nicht formal dargestellt....

Information and communication technologies (ICT) for health or eHealth solutions hold great potential for generating systemic efficiencies by strengthening five critical pillars of a health system: human resources for health, supply chain management, health care financing, governance and service...

This paper evaluates the nature, relative incidence and drivers of software piracy. In contrast to prior studies, we analyze data that allows us to measure piracy for a specific product - Windows 7 - which was associated with a significant level of private sector investment. Using anonymized...

This paper investigates how much of the persistence in Windows usage is due to lock-in or unobserved preferences. While the hypothesis of lock-in plays an important role in the antitrust policy debate for the operating systems market, it has not been extensively documented empirically. In this...