The emerging role of electronic marketplaces on the Internet
Communications of the ACM
Reducing buyer search costs: implications for electronic marketplaces
Management Science - Special issue: Frontier research on information systems and economics
Understanding Web Services: XML, WSDL, SOAP, and UDDI
Understanding Web Services: XML, WSDL, SOAP, and UDDI
XML and Web Services Unleashed
XML and Web Services Unleashed
Intermediation and electronic markets: aggregation and pricing in internet commerce
Intermediation and electronic markets: aggregation and pricing in internet commerce
Communications of the ACM - Service-oriented computing
Communications of the ACM - Service-oriented computing
Economics of an Information Intermediary with Aggregation Benefits
Information Systems Research
An exploratory study of the emerging role of electronic intermediaries
International Journal of Electronic Commerce
Understanding the Economic Potential of Service-Oriented Architecture
Journal of Management Information Systems
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Web services are interoperable and reusable software components that can be dynamically discovered and integrated over the Internet. Developed on open standards, Web services have become a promising solution to inter- and intra-organization application integration. The supply chain of Web services exhibits two distinct features that are not considered in previous literature on information and physical-good supply chain: the integration of multiple Web services and the cross-network externality effect between Web service vendors and users. In a quest to fill in the research gap, this paper studies the optimal pricing strategies of a monopolistic intermediary in the supply chain of complementary Web services. The Web service intermediary (WSI) provides both technical and aggregation services, and seeks to charge optimal subscription and listing fees. Analytical results show that in a supply chain of complementary Web services exhibiting cross-network effects, the optimal strategy for the WSI is to set the listing fee such that all service providers list on it. On the other hand, the optimal subscription fee depends on the intensity of the cross-network effect, consumers' valuation of value-added services, and the characteristics of the Web services under consideration.