A model to distribute mark-up amongst quotation component item

David Cattell (), Paul Bowen and Ammar Kaka
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Paul Bowen: University of Cape Town
Ammar Kaka: Heriot-Watt University

Econometrics from University Library of Munich, Germany

Abstract: The outline of a proposed new unbalanced bidding model is discussed. Background is provided as regards the role of item price loading, otherwise known as unbalanced bidding. Three types of loading are described, namely those of ‘front-end loading’, ‘back-end loading’ and ‘quantity error exploitation’ (otherwise known as ‘individual rate loading’). It is proposed that one single mathematical model could embrace all three of the above types and that the aspect of risk may be addressed partially by means of using the quadratic programming techniques employed within the field of Modern Portfolio Theory. MPT is a field pioneered by Markowitz in 1959 and was developed to identify optimum portfolios of investments, typically equities. It is hypothesized that MPT presents a basis by which to distinguish Efficient Item Pricing combinations from inefficient ones and thereby provide a scientific tool by which rational contractors may optimally price a project’s items. A brief history of unbalanced bidding describes the field that was pioneered in the 1960’s by Marvin Gates and Robert Stark, as well as the subsequent contributions by the leading researchers in the field.

Keywords: unbalanced bidding; bidding models; item price loading; modern portfolio theory; construction industry; mathematical models; bidding strategies (search for similar items in EconPapers)
JEL-codes: C1 C2 C3 C4 C5 C8 (search for similar items in EconPapers)
Pages: 12 pages
Date: 2004-08-31
Note: Type of Document - pdf; pages: 12
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