We analyze pricing strategies for digital information goods, such as those increasingly available via the Internet. Because perfect copies of such goods can be created and distributed almost costlessly, any single positive price for copies is likely to be socially inefficient. However, we show...

Online reputation mechanisms are emerging as a promising alternative to more established mechanisms for promoting trust and cooperative behavior, such as legally enforceable contracts. As information technology dramatically reduces the cost of accumulating, processing and disseminating consumer...

The Internet has signi.cantly 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 bundling can create “economies of aggregation” for...