Assertion: bidding fee auction | /r/Synonym | a penny auction
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Source sentences:
text: Bidding fee auction, a variation of all-pay auction, also known as a penny auction, often requires that each participant must pay a fixed price to place each bid, typically one penny (hence the name) higher than the current bid.
text: A bidding fee auction (also known as a penny auction) requires customers to pay for bids, which they can increment an auction price one unit of currency at a time.