电子商务-概述22647.pptx
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1、E-Business(1):Overview电子商务(1):概述概述Content 内容The size and growth of E-Business 电子商务的规模与发展Elements of E-Business 电子商务要素Evaluating E-Business models 评估电子商务模式Andreas S.Weigend,PhD韋思岸教授SJTU Dec 20041What is E-Business(EB)?何谓电子商务(EB)?EB uses technology(especially the Internet and the Web)电子商务利用技术(尤其是互联网和网
2、络)To communicate 进行传播-To find,aggregate,create,and deliver information 找到、集中、创造并传递信息 To transact 进行交易-To buy,sell,trade,and exchange 购买、出售、交易和交换EB enables new ways:电子商务促成新的途径:To deliver value to customers 向客户提供价值To create value from customers and their data从客户及其数据中创造出价值To create(and monetize)transpa
3、rency-Abbreviation EB:=E-Business/E-Commerce EB为电子商务的缩写-Note:EB is NOT dot-com,NOT Nasdaq bubble,NOT just online ads,NOT free email注:电子商务不等于网络公司,2Key Aspects of EB 电子商务的主要方面New forms of value creation新的价值创造形式New pricing mechanisms新的定价机制Customization and personalization,based on data客户定制与个性化Scale:Opp
4、ortunity and threat 规模:机遇与威胁SpeedAbility to reach the whole Earth immediately 迅速渗透全球的能力Need to create barriers to entry(e.g.,lock-in)需要制造进入壁垒(如用户锁定)EB Technology电子商务技术(communication,connectivity,)(传播、连接等)3ScaleInternet Age:Network economies of scale/Network effects-Each new member increases the valu
5、e of the network每个新成员增加了整个网络的价值Demand-side economies of scaleVs Industrial Age:Production economies of scale-Average price of product drops as production is increasedSupply-side economies of scaleImplications Quantitative Qualitative changeSearch for information Rank information4What is the Internet
6、?何谓互联网?A very large collection of computers 极为庞大的计算机集合 that are connected to each other 所有计算机相互连接that follow a common protocol(“speak the same language”)并遵循一种共同协议(“说同一种语言”)Information may pass through several other computers 信息的传输可能经过其他多台计算机5Began 1969 as U.S.Military Project作为美国军方的一个项目,始于1969年6Inte
7、rnet Users Worldwide全球互联网用户About 10%of entire worlds population大约占全球总人口的10%7The Internet and the Web网络与互联网About as many pages on Web as people on Earth!几乎和地球上的人一样多!8Worldwide E-Business全球电子商务Worldwide E-Business(total),in US$billion全球电子商务总交易额,以10亿美元计其他地区拉美西欧亚太北美图中地区与图例说明中的顺序一样Source:Forrester Resear
8、chWorldwide EB:US$3 trillion(1/2003,est.)全球电子商务:3万亿美元(2003年1月估计)9Agenda教学纲要The Internet 互联网Communication platform 通讯平台Number of users 互联网用户数量-Worldwide:About 10%of entire population 遍布全球,大约占全球总人口的10%Size of EB电子商务规模About US$3 trillion(1/2003)大约3万亿美元(1/2003)-About 7%of entire business(worldwide)Eleme
9、nts of EB电子商务要素Evaluating EB models评估电子商务模式10Elements of EB电子商务要素Some ingredients of EB 电子商务组成要素1.Search 搜索2.Pricing 定价3.Logistics 物流4.Payment 支付5.Product Representation 产品展示6.Authentication and Security 验证及安全性7.Legitimization 合法化8.Dispute Resolution 解决争端Some EB technologies and tools 电子商务技术及工具111.S
10、earch搜索Technology assisted search 技术辅助搜索Search engines 搜索引擎Comparison search 比较搜索Use additional information sources 使用其他信息来源Search-history of user 用户的搜索历史Current location of user 用户目前的位置Connectivity of Web pages(link structure)网页的连接性(链接结构)Past:Information scarce 过去:信息稀缺Present:Information abundant 现
11、在:信息丰富Need for search 搜索需要Need for ranking122.Pricing定价Variety of pricing mechanisms定价机制种类Exchanges(similar to financial markets)Auctions 竞拍Dynamic pricing动态定价Based on inventory 视存货情况而定Based on competition 视竞争情况而定Based on estimate of customers“willingness-to-pay”视对客户“支付意愿”的估计而定Buyer-set price 买方定价13
12、3.Logistics物流Information products(also called digital goods):信息产品:Logistics is easy if products in digital form如果产品以数字形式存在,则物流简便Information products ideally suited for EB 信息产品最适合电子商务Storage and delivery easy易于存储和递送Physical storage spaceclose to zero 实际存储空间几乎为零Physical products:实物产品:Better coordinati
13、on with suppliers to reduce inventory加强与供应商之间的协调以削减库存Outsource inventory外包库存(A)Shift inventory risk to supplier将库存风险转移给供应商Note:Physical goods always need physical delivery services注:实物产品总是要依赖实际的递送服务144.Payment支付Currently,main payment method in U.S.:Credit and debit cards目前美国主要的支付方法:贷记卡和借记卡Direct pay
14、ment between parties(eBay/PayPal)双方直接支付Electronic payments(e-Cash)电子支付Future possibility:Micro-payments未来的可能性:微型支付E.g.,NetBill(purchase a single paragraph)例如,NetBill(购买一个段落)155.Product Representation产品展示How are product attributes communicated?如何宣传产品属性?The Web is a rather limited medium 网络是一种相当有局限性的媒
15、介Good for information 适用于信息传递Limited for multimedia(bandwidth)不利于多媒体的发展(带宽)Impossible for touch,smell 不可触摸、嗅闻Problems with limited representation of product 产品展示受限的影响Mistrust 不信任Misinformation 信息误传166.Authentication验证Validity of transacting parties and of exchanged goods交易方和交易商品的有效性Authenticity真实性Re
16、liability可靠性Quality质量Technological solutions 技术解决方案Public-key cryptography公钥密码Reputation,rating,reviews 声誉、评级、审查-Experts 通过专家(Gomez、消费者报告、Stiftung Warentest)-Community 通过社区(epinions,eBay,B,O)177.Legitimization合法化When is an agreement/sale/transaction considered valid?何时认为协议/销售/交易是有效的?Time and space o
17、f transactions交易的时间和空间Distributed network(Is the company at the server or the HQ?)分布式网络(公司是在服务器还是在总部层面上?)Did the sale go through at the mouse click or after the processing?销售是在点击鼠标后还是在处理后结束?188.Dispute Resolution解决争端Legal Issues法律问题No international bodies for dispute resolution无国际机构来解决争端What happens
18、 in disputes between direct buyer and seller?直接购买者与出售者之间发生哪些争端?In particular,at intermediaries like eBay?尤其是eBay等中介机构?19Some EB technologies and tools电子商务技术及工具Catalog Engines 目录引擎Create,manage and distribute online product catalogs制作、管理和发布网上产品目录Configuration Tools 配置工具Help end-customers configure th
19、eir products online帮助最终用户在网上配置产品Content Management Tools 内容管理工具Create,manage,maintain and distribute content 制作、管理、维护和分发信息内容E-mail Automation 电子邮件自动化Analyze,route,respond to email.Manage email campaigns分析、确定路径以及回复电子邮件;管理电子邮件宣传活动(contd续)20Some EB technologies and tools电子商务技术及工具Marketplace Technologie
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