The open source model is a form of software development with source code that is typically made available to all interested parties. At the core of this process is a decentralized production process: open source software development is done by a network of unpaid software developers. Using data...

In this Paper we consider the economics of platform competition in telecommunications. Platform competition occurs when different, sometimes incompatible, technologies compete to provide telecommunications services to end-users. Battles between competing technologies have been an important...

Two important welfare implications of network effects are that (1) market forces often result in suboptimal standardization, that is, left alone the market may fail to achieve standardization when it is socially desirable and (2) even if the market settles on a standard, the chosen standard may...

In April 1997, a consortium of hardware manufacturers and movie studios launched the DVD format. By that fall, electronics retailing giant Circuit City announced its intentions to launch a partially incompatible format known as DIVX. This Paper assesses Circuit City’s strategy to establish the...

In this paper, we examine how software vulnerabilities affect firms that license software and consumers that purchase software. In particular, we model three decisions of the firm: (i) an upfront investment in the quality of the software to reduce potential vulnerabilities; (ii) a policy...

The conventional wisdom is that indirect network effects, unlike direct network effects, do not give rise to externalities. In this Paper we show that under very general conditions, indirect network effects lead to adoption externalities. In particular we show that in markets where consumption...

The NCAA college football ratings, in which the "so-called" national champion is determined, has been plagued by controversies the last few years. The difficulty arises because there is a need to make a complete ranking of teams even though each team has a different schedule of games with a...