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Please use this identifier to cite or link to this item: https://dspace.lboro.ac.uk/2134/32772

Title: Detecting abnormal and collusive bids in capped tendering
Authors: Ballesteros-Perez, Pablo
Gonzalez-Cruz, M. Carmen
Canavate-Grimal, Antonio
Pellicer, Eugenio
Keywords: Tender
Auction
Collusion
Abnormal bid
Phony bid
Bid-covering
Issue Date: 2013
Publisher: © Elsevier
Citation: BALLESTEROS-PEREZ, P. ...et al., 2013. Detecting abnormal and collusive bids in capped tendering. Automation in Construction, 31, pp. 215-229.
Abstract: Recent developments in the area of Bid Tender Forecasting have enabled bidders to implement new types of easy-to-use tools for increasing their chances of winning contracts. Although these new tools (such as iso-Score Curve Graphs, Scoring Probability Graphs, and Position Probability Graphs) are designed for bidders in capped tendering (tenders with an upper price limit), some of their principles can also be applied by a Contracting Authority to detect which bidders do not follow a standard pattern, that is, their bids are extremely high or low. Since a collusive bid generally needs to be sufficiently high or low to make an impact on the bid distribution, any person in charge of supervising capped tenders can be alerted to any bidder that might be involved in a cartel after identifying the same abnormal behavior in a series of tenders through simple calculations and a new type of graph. © 2012 Elsevier B.V.
Description: This paper was accepted for publication in the journal Automation in Construction and the definitive published version is available at https://doi.org/10.1016/j.autcon.2012.11.036
Sponsor: The translation of this paper was funded by the Universitat Politècnica de València.
Version: Accepted for publication
DOI: 10.1016/j.autcon.2012.11.036
URI: https://dspace.lboro.ac.uk/2134/32772
Publisher Link: https://doi.org/10.1016/j.autcon.2012.11.036
ISSN: 0926-5805
Appears in Collections:Published Articles (Architecture, Building and Civil Engineering)

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