Many Internet intermediaries operate two-sided networks, that is, they provide platforms to bring together two types of participants, or quot;sides,quot; such as buyers and sellers. This paper develops a model that characterizes the intermediary's pricing in two-sided networks, the value created...

The Internet has significantly reduced the marginal cost of producing and distributing digital information goods. It also coincides with the emergence of new competitive strategies such as large scale bundling. In this paper, we show that bunding can create "economies of aggregation" for...

This paper introduces a model for analyzing marketplaces, such as eBay, which rely on binary reputation mechanisms for quality signaling and quality control. In our model sellers keep their actual quality private and choose what quality to advertise. The reputation mechanism is primarily used to...

Several properties of online interaction are challenging the accumulated wisdom of trading communities on how to produce and manage trust. Online reputation reporting systems have emerged as a promising trust management mechanism in such settings. The objective of this paper is to contribute to...