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2. Common value auction - Wikipedia

   en.wikipedia.org/wiki/Common_value_auction

   Dependent signals, first-price auction. In the above example, in a first-price sealed-bid auction, there is a SBNE with = /, i.e., each bidder bids 2/3 of his/her signal. PROOF: The proof takes the point-of-view of Xenia. We assume that she knows that Yakov bids , but does not know . We find the best response of Xenia to Yakov's strategy.

3. Bid–ask spread - Wikipedia

   en.wikipedia.org/wiki/Bid–ask_spread

   The bid–ask spread (also bid–offer or bid/ask and buy/sell in the case of a market maker) is the difference between the prices quoted (either by a single market maker or in a limit order book) for an immediate sale ( ask) and an immediate purchase ( bid) for stocks, futures contracts, options, or currency pairs in some auction scenario.

4. First-price sealed-bid auction - Wikipedia

   en.wikipedia.org/wiki/First-price_sealed-bid_auction

   A first-price sealed-bid auction (FPSBA) is a common type of auction. It is also known as blind auction. [1] In this type of auction, all bidders simultaneously submit sealed bids so that no bidder knows the bid of any other participant. The highest bidder pays the price that was submitted. [2] : p2 [3]

5. Bid-ask spread: What it is and how it works - AOL

   www.aol.com/finance/bid-ask-spread-works...

   For example, if a stock price has a bid price of $100 and an ask price of $100.05, the bid-ask spread would be $0.05. The spread can also be expressed as a percentage of the ask price, which in ...

6. Auction theory - Wikipedia

   en.wikipedia.org/wiki/Auction_theory

   Auction theory is an branch of applied economics that deals with how bidders act in auctions and researches how the features of auctions incentivise predictable outcomes. Auction theory is a tool used to inform the design of real-world auctions. Sellers use auction theory to raise higher revenues while allowing buyers to procure at a lower cost.

7. Price mechanism - Wikipedia

   en.wikipedia.org/wiki/Price_mechanism

   The price mechanism is an economic model where price plays a key role in directing the activities of producers, consumers, and resource suppliers. An example of a price mechanism uses announced bid and ask prices. Generally speaking, when two parties wish to engage in trade, the purchaser will announce a price he is willing to pay (the bid ...

8. Vickrey auction - Wikipedia

   en.wikipedia.org/wiki/Vickrey_auction

   A Vickrey auction or sealed-bid second-price auction ( SBSPA) is a type of sealed-bid auction. Bidders submit written bids without knowing the bid of the other people in the auction. The highest bidder wins but the price paid is the second-highest bid. This type of auction is strategically similar to an English auction and gives bidders an ...

9. Generalized second-price auction - Wikipedia

   en.wikipedia.org/wiki/Generalized_second-price...

   The generalized second-price auction (GSP) is a non-truthful auction mechanism for multiple items. Each bidder places a bid. The highest bidder gets the first slot, the second-highest, the second slot and so on, but the highest bidder pays the price bid by the second-highest bidder, the second-highest pays the price bid by the third-highest, and so on.