Assessments in public procurement procedures

Natividad Llorca, Ricardo Martinez () and Joaquín Sánchez-Soriano
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Natividad Llorca: Centro de Investigación Operativa (CIO), Universidad Miguel Hernández de Elche.

No 22/07, ThE Papers from Department of Economic Theory and Economic History of the University of Granada.

Abstract: In this paper we study how to assess the performance of a group of individuals according to their achievements in several attributes or categories by means of a scoring system. Such an assessment is the composition of two steps. First, each individual obtains a partial score in each category (that may potentially depend on her opponents’ performance). And second, those partial scores are combined into a global assessment. The partial score in each attribute is upper bounded by an exogenous threshold or cap. Each problem is determined by four elements: a set of agents (or tenders), a set of attributes to be evaluated, a matrix of achievements that specified the score each agent has obtained in each attribute, and a vector of caps. By means of the axiomatic methodology, we identify the families of assessment functions that satisfy some natural requirements (anonymity, continuity, monotonicity, null contribution, additivity, and separability). As an illustration, we analyze a public tender whose purpose was to carry out an accounts auditing of a public company. As a practical implication of our theoretical results, we show that truncation presents significant advantages with respect to other methods. Particularly, it avoids the exclusion paradox.

Keywords: public procurement; tender; assessment; scoring; cap; truncation; proportionality. (search for similar items in EconPapers)
JEL-codes: D45 D71 H40 K12 (search for similar items in EconPapers)
Pages: 43 pages
Date: 2022-03-28
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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