​Vickery auctions are

A) ​Oral auctions
B) Second price sealed bid auctions
C) English auctions
D) ​None of the above

Vickery Auctions

A type of sealed-bid auction where the highest bidder wins but pays the second-highest bid price, encouraging true valuation in bids.

Oral Auctions

Public sales where goods or services are sold to the highest bidder through verbal bids, often conducted in real-time with an auctioneer.

Sealed Bid Auctions

A type of auction where all bidders submit their bids without knowledge of the bids offered by other participants, often used in government contracts and private sales.