In this paper, we consider two platforms that compete for the development of a new product to integrate into their ecosystems. The new product can be developed either inhouse by the platforms or by an independent startup active only in the technology market. The presence of the startup affects...

This guide provides a critical review of the economics literature on the desirability and the effects of unbundling the local loop. Firstly, we discuss recent contributions, which aim to quantify the effect of unbundling regulations on the development of broadband services. Secondly, we review...

This guide provides a critical review of the economics literature on the desirability and the effects of unbundling the local loop. Firstly, we discuss recent contributions, which aim to quantify the effect of unbundling regulations on the development of broadband services. Secondly, we review...

Platform interoperability is considered a powerful tool to promote competition in digital markets when network effects are at play. We study the effect of interoperability on competition between two ad-financed platforms, allowing for endogenous multi-homing of consumers. When the platforms are...