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【正文】 the lowest bidder wins 3. Electronic marketplaces and exchanges 4. Viral marketing 5. Social working and Web tools 6. Also name your own price, group purchasing and others….. 22 (Developed from Turban et al. 2023) 23 Some Drivers of EC Growth (Turban et al. 2023) 24 (Turban et al. 2023, ) Exhibit Limitations of Electronic Commerce 25 Barriers of EC ? Security ? Trust and risk ? Lack of qualified personnel ? Lack of business models ? Culture ? User authentication and lack of public key infrastructure ? Organization ? Fraud ? Slow navigation on the Inter ? Legal issues 26 How Inter Influences Industry Structure (Turban et al., p. 123) 27 ? Use Porter’s model to assess the petitive position of a large online trader. It is suggested that the discussion is of (as an online bookstore) against its online and conventional petitors. ? The external forces are: ? Suppliers, principally the publishers。 ? Substitution, that there would be a new sales channel for books or that the book itself would be replaced by alternative media. Discussion 28 Intermediation in ECommerce ? Intermediaries (brokers) provide valueadded activities and services to buyers and sellers ? Intermediaries in the physical world are wholesalers and retailers ? Infomediaries: electronic intermediaries that control information flow in cyberspace, often aggregating information and selling it to others ? Edistributor: An emerce intermediary that connects manufacturers (suppliers) with business buyers by aggregating the catalogs of many suppliers in one place—the intermediary’s Web site 29 Infomediaries and the information Flow Model (Turban et al. 2023, p. 48) 30 Roles and value of intermediaries in emarkets ? Search costs ? Lack of privacy ? Inplete information ? Contract risk ? Pricing ineffici
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