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Shill definition: a person who poses as a customer in order to decoy others into participating, as at a gambling house, auction, confidence game, etc.. See examples of SHILL used in a sentence.
Jan 8, 2019 · Shill Bidding . As much as shill bidding isn't that common, it is quite easy to detect. Some sellers use shill bidding to abuse auction sites. In most cases, the sites don't have the capabilities to deal with the vice but solely depend on members. Vigilant members are often the ones who identify the practice and attempt to deal with it accordingly.
Mar 1, 2015 · The strategy of a shill bidder may change from auction to auction or even during an auction (Graham et al., 1990, Wang et al., 2002). Thus, a model intended to identify one type of shill bidder may not successfully identify others and may fail to find shill bidders who change strategy in response to the bids that are being placed.
Nov 13, 2023 · Though shill bidding may not sound as bad as some of the other auction fraud types, it is unethical and, in many cases, illegal. Bid shielding. Bid shielding, also known as multiple bidding fraud, is the opposite of shill bidding because its aim is to lower the price of an item.
Mar 30, 2024 · Shill-Proof Auctions. In a single-item auction, a duplicitous seller may masquerade as one or more bidders in order to manipulate the clearing price. This paper characterizes auction formats that are shill-proof: a profit-maximizing seller has no incentive to submit any shill bids. We distinguish between strong shill-proofness, in which a ...
Jun 1, 2020 · Auctions with the potential for shill bidding allow for trust to be expressed. We design an experiment considering first and second-price auctions with and without the potential for shill bidding. A Trust Game is used to measure trust. We document that the potential for shill bidding leads to lower bids being submitted.
Shill bidding is the fraudulent activity to bid without the intention to buy; bids are only made on an item (s) to artificially increase its price or desirability. This can be anyone including family, friends, online connections or employees. If you think Shill Bidding is taking place, please report it to us.
