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Auctions as EC market mechanisms

• Limitattion of traditional off-line auctions
• Bidders do not have much time to examine goods
• Bidders must usually be physically present at auctions
• Difficult for sellers to move goods to an auction site
• the rapid process may give potential buyers little time to make a decision
• commisions are fairly high

Auctions as EC Market mechanisms

• Electronic auction (e-auction)
• auctions conducted online
• Dynamic Pricing
• prices that change based on supply and demand relationships at any given time
• Types of auctions
• one buyer , one seller (negotiation )
• one seller , many potential buyers (forward auction= bidders increase price sequentially )
• One buyer , many potential sellers (Reverse auction= tendering system ) auction in which the buyer places an item for bid (tender) on a request for quote, potential suppliers bid on the job , with the price reducing sequentially and the lowest bid wins (b2b g2b )
• many sellers and many buyers (double auction : auctions in which multiple buyers and their bidding prices matched with multiple sellers and their asking prices , considering the quantities on both sides

Auctions as EC Market mechanisms

• Types of auctions
• Name-your-own-price Model
• Aucteions model in which a would-be buyer specifies the price (and other terms ) he or she is willing to pay to any willing and able seller
• C2b model that was pioneereb

Auctions as EC limitations of E-auctions

• Limitations of E-auctions
• minimal security
• possibility of fraud
• limited participation
• Impacts of e-auctions
• auctions as a coordination mechanism
• auctions as a social mechanism to determine a price
• auctions as a highly visible distribution mechanism

solution of ebay case study

• Solution
• A large database warehouse was implemented
• allowed ebay to quickly perform complex analysis on data
• detect fraud cases , using busines intelligence

bartering and negotiating online

• Bartering
• the exchange of goods and services
• e-bertering : bartering conducted online , usually by a bartering exchange
• Bartering Exchange
• a marketplace in which an intermediary arranges barter transactions

online negotiating

• 3 maien factors may facilitate online negotiation
• the products and services that are bundled and customzed
• the computer technology that faciliatates the negotiation process
• the software (intelligent )agents that perform searches and comparisons , therby providing quality customer service and a base from which prices can be negotiated

Virtual communities and social networks

• S social software : a software product that enables people to connect and collaborate through computer-mediated communication
• Blog: A personal website that is open to the public to read and to interact with ; dedicated to specific topics or issues
• microblogging
• a form of blogging that allows users to write messages (usually up to 140 characters) and publish them , either to be viewed by anyone or by a restricted group that can be chosen by the user ; these messages can be submitted by a variety of means including a text messaging , instant messaging , e-mail , MP3 or just on the web
• twitter:
• a free microblogging service that allows its users to send and read other users' updates
• Wiki (wikilog)
• A blog that allows everyone to participate as a peer anyone may add , delete or changw content but it needs an approval from person/committee managing the wiki (in some cases)