C2C ?? - ????

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C2C ?? - ????
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• eBay http//www.ebay.com
• uBidhttp//www.ubid.com
• Amazon Auctionhttp//auctions.amazon.com

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?? Bid (?? or ??)
?? Ask (?? or ??)
4

• ?????????,????

5

• ????????????
• ???
• ????
• ???????
• ???????????????????????

6

• ??????????
• ???????
• ?????????
• ?????????
• ???????

7
???????

• ????(Open Auctions)??????????????????
• ?????(Private Auctions)???????????,??????????????
  ???????? ???????????????

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• ??????????????
• ????
• ????

9

• ??????
• ????
• ????

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???????

• ???????
• ???????
• ???????(Electronic Marketplace)
• ????????
• ???????
• ???????
• ????????
• ??????????

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???????

• ????(Straight Sales)
• ????(English Auctions)
• ????(Yankee Auctions)
• ?????(Dutch Auctions)
• ??????(Continuous Double Auctions, CDA)
• ??????(Simultaneous Ascending Auctions, SAA)

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?????(Straight Sales)

• ?????????,?????????????,???????

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????(English Auctions)

• ???????(Ascending-price Auctions)
• ???(bidders)??????,??????????,???????????

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????(Yankee Auctions)

• ????????
• ????????????
• ??????????????
• ??????,???????????
• ????????????

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?????(Dutch Auctions)

• ???????(Descending-price Auctions)?????(Reverse
  Auctions)
• ??????,?????????

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???????(Continuous Double Auctions, CDA)

• ????(Ask)??,????(Bid)??
• ??????,??????????????????
• ????????
• NYSE

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(No Transcript)
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??????(Simultaneous Ascending Auctions, SAA)

• ? 3G ??????????????????????????,???????,?????????
  ???????????????????????,???????????,????????????
  ???????????????? (?????) ????????????????????????,
  ???????????

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??????

• ????
• ?????

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• ???? vs ????
• Auction, Reverse Auction, Double Auction
• ??????????????
• ????? vs ?????
• First-price Sealed-bid Auctions
• Second-price Sealed-bid Auctions ?? Vickrey
  Auctions
• K-price Sealed-bid Auctions

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?????????

• ??????(B2C)
• ???????(C2C)
• ?????(B2B)

?????
????
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?????????

• ????????????????????
• ????????,???????

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??????????

• ???????????????
• ???????????????
• ?????????
• ??????,??????????????? ?????????

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????????

• ???????????????????
• ????????????????
• ??????????????????
• ???????????????

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?????????

• ?????
• ???????
• ??
• ???????

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???????? ???? ??????

• Yahoo!??????,??Yahoo!????????????????????,???????,
  ???????????????????????????????,??????????????????
  ????,??????????????????????,??????????????????

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• Yahoo!?????????? 20 ?????,????????,??????? 13
  ???????????,???????????????? 24,?????
  13,??????? 20???,???????,? 30 ? 39 ???,???
  46,25 ? 29 ???27??????????,?????

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• ?????,????????????????????,???????????????????????
  ?????? PDA,???????????????????????????????????????
  ?????????????,??????????,???????????,?????????

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• Yahoo!????,?????????,??????????????????????,??????
  ??????Yahoo!??????????????,???????,??,??????Yahoo!
  ??????,?????????,????????Yahoo!?????????????????,?
  ?????????????