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First and second Price Independent Values Sealed bid Procurement Auctions: Some Scalar Equilibrium Results

Skitmore, Martin (2007) First and second Price Independent Values Sealed bid Procurement Auctions: Some Scalar Equilibrium Results. In Skitmore, Martin (Ed.) CME25 Conference, Construction Management and Economics 'Past, Present and Future', 16 - 18 July 2007, University of Reading, United Kingdom.

Abstract

A great body of knowledge exists on the theory of auctions and competitive bidding that is of potential relevance to construction contract tendering. Most of this, however, contains assumptions – such as perfect information – that are unlikely to be tenable in practice. The aim, therefore, is to examine the effects of relaxing some of the more restrictive of these assumptions in the construction tendering context. In particular, the effects of additive and multiplicative (scalar) mark-ups in equilibrium are examined for first and second price auctions in situations where bidders have different, uncertain, costs. This is illustrated firstly by Monte Carlo simulation – by which bids generated randomly from a normal distribution for six bidders and mark-ups applied systematically for each bidder in turn until equilibrium is reached. An extensive numerical analysis is then applied to obtain equilibrium results for both mark-up values and expected profit from the simple symmetric case through to more complex asymmetric cases for the uniform and normal distributions.

In general, it is found that first price auction bidders with relatively high cv levels and a larger number of bidders involved bid higher in equilibrium but can expect little profit unless the number of bidders involved is small. Where there are asymmetries, stronger bidders (i.e., those with lower costs and less variability) bid much higher and achieve much higher profits in equilibrium. From the seller's point of view, it is cheaper, in equilibrium, to have a homogeneous group of low variability bidders. The work contributes to the body of knowledge on the economic theory of auctions by closing some of the gap between theory and practice.

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ID Code: 15101
Item Type: Conference Paper
Keywords: Auction theory, tendering, bidding, equilibrium, procurement
Subjects: Australian and New Zealand Standard Research Classification > BUILT ENVIRONMENT AND DESIGN (120000) > BUILDING (120200) > Quantity Surveying (120203)
Australian and New Zealand Standard Research Classification > ECONOMICS (140000) > Economic Theory (140100) > Economic Theory not elsewhere classified (140199)
Australian and New Zealand Standard Research Classification > BUILT ENVIRONMENT AND DESIGN (120000) > BUILDING (120200) > Building Construction Management and Project Planning (120201)
Divisions: Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Copyright Owner: Copyright 2007 (please consult author)
Deposited On: 13 Oct 2008
Last Modified: 22 Mar 2013 17:13

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