We review the economics of superstars, originally developed for stars in traditional media, and discuss whether they are applicable for the (allegedly) novel phenomenon of stars in social media (influencer, micro-celebrities). Moreover, we analyse potentially new factors for creating social...

This paper surveys a variety of topics related to network economics. Topics covered include: consumer demand under network effects, compatibility decisions and standardization, technology advances in network industries, two-sided markets, information networks and intellectual property, and...

This paper surveys a variety of topics related to network economics. Topics covered include: consumer demand under network effects, compatibility decisions and standardization, technology advances in network industries, two-sided markets, information networks and intellectual property, and...

In the beginning of the 1990’s, various fragmented information networks of the Internet were combined into one integrated network of systems. As a result, the commercial utilization of the Internet boomed, creating completely new business models and economic structures in the process. A...

At the beginning of the 1990s, the Internet’s various fragmented information networks were combined into one integrated network of systems. As a result, the commercial utilization of the Internet boomed, creating com- pletely new business models and economic structures in the process. A...

The majority of digital platform research has focused on consumer-centric platforms. Driven by the vast growth potential of direct consumer market access, industrial communities locked behind the conventional gatekeepers in their respective value chains have lately started to tinker with their...

Why do so many high-priced acquisitions of entrepreneurial firms take place in network industries? We develop a theory of commercialization (entry or sale) in network industries showing that high equilibrium acquisition prices are driven by the incumbents' desire to prevent rivals from acquiring...

We consider the effects of taxes for competing two-sided platforms. We first detail how a platform passes a tax increase on its prices. Adding price competition, we study next how the tax affects profits. Because of the strategic implications of the cross-side external effects, the tax increase...

We develop a dynamic asset pricing model of cryptocurrencies/tokens that allows users to conduct peer-to-peer transactions on digital platforms. The equilibrium value of tokens is determined by aggregating heterogeneous users' transactional demand rather than discounting cash flows, as is done...

This paper describes the different forces that shape the market structure of four different "online platform ecosystems" and the competition between them. The paper focuses on the following categories of platforms, which represent a wide scope of online activities: (i) e-commerce marketplaces;...