Monday, May 12, 2008

Chapter 11

CHAPTER 11

Social Networks – an area online where people who share common ties can interact with one another
1. A group of people
2. Shared social interaction
3. Common ties among members
4. A shared area for some period of time

General Communities – Wide range of topical discussion groups

Practice networks – Discussion groups for help or information in every practice

Interest-based communities – Shared interest grouped based networks

Affinity communities – Group identification networks including, Religion, ethnicity, gender, or political beliefs

Sponsored communities – government sites, branded product sites and many more

DIFFERENT TYPES OF AUCTIONS

English auction – single item is up from a single seller

Traditional Dutch auction – sellers with many identical items sold in lots, as time goes on the price falls

Internet Dutch Auctions – sellers list a minimum price or starting bid

Name your own price or reverse auctions – buyers specify the price they are willing to pay for an item

Benefits of Auctions
1. Liquidity – global marketplace
2. Price discovery – competitively priced based
3. Price transparency – everyone can see the asking and buying price
4. Market efficiency – Offered wide range of selected goods
5. Lower transaction costs – reduced cost of selling and purchasing goods
6. Consumer aggregation – motivated buyers amassed in one marketplace
7. Network effects – both user and seller benefit
8. Market-maker benefits – no inventory caring cost

Cost of auctions
1. Delayed consumption
2. Monitoring cost
3. Equipment cost
4. Trust risk
5. Fulfillment cost
6. Rating system
7. Watch list
8. Proxy bidding

No comments: