Software platforms are a critical component of the computer systems, underpinning leading-edge products ranging from third-generation mobile phones to video games. After describing some key economic features of computer systems and software platforms, the paper presents case studies of personal...

A growing number of intermediaries (e.g. Amazon, Apple's Appstore, and Walmart) act as resellers on their own marketplaces. We build a model of dual marketplace and reseller intermediation to explore the implications of this practice, and the call to ban it, taking into account an intermediary's...

We study the effect of different levels of information on two-sided platform profits – under monopoly and competition. One side (developers) is always informed about all prices and therefore forms responsive expectations. In contrast, we allow the other side (users) to be uninformed about...