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Electronic Commerce

Electronic Commerce. Searching for information. Information on the web. Visibility Accessibility Transparency Tradability Maintenance. Incentive for searching information. Marginal profit > marginal searching cost, More suppliers  Potential dispersion  higher price/value diversity.

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Electronic Commerce

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  1. Electronic Commerce Searching for information

  2. Information on the web • Visibility • Accessibility • Transparency • Tradability • Maintenance

  3. Incentive for searching information • Marginal profit > marginal searching cost, • More suppliers Potential dispersion higher price/value diversity

  4. Information economics • Stigler: 1982 Nobel prize winner in economics • Higher priced durable goods • Price variety in the common marketplace < stores in the disperse locations • Is the price always lower in the mall of many stores? Does the price dispersion disappear in the mall? • More experienced buyers lower price dispersion • More mobility of buyer higher price dispersion • Does advertising remove the price dispersion?

  5. Searching modes

  6. An efficient Internet search market • Feasibility of • digital • transformation • Completeness of • digitalized • information • Clearness of • information • classification • Accessibility of • wanted • information

  7. An inefficient search market

  8. Info-mediator (-mediary)

  9. Various information sources • File transfer: WWW, FTP, Gopher, Telnet • Broadcasting and exchange: Usenet, mailing lists, messaging, P2P, FAQ • Real-time interactions: talk, IRC, RSS

  10. Various functions of Filtering agent

  11. Factors impacted on searching efficiency • Product description standards • meta-information, digital catalog, header, micro-products, micro-bundles • Advertising-supported searching service • URL, keyword, image, sponsorship, subscribing • Auto pushing vs. pulling on demand • Web-based recommendation system • Searching or surfing? • Always positive searching cost? • Pricing for sharing of searched information • Relevance, vitality, criticality, accuracy, and timeliness of searched information

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