Abnormally low bids in PPPs: Analysis of evidence and a proposed statistical test

Sergio Hinojosa, Roberto Muñoz and Giancarlos Oviedo

Utilities Policy, 2025, vol. 96, issue C

Abstract: This study examines the presence of abnormally low bids in public-private partnership (PPP) project tenders across Latin America. To this end, a representative database of PPP processes in Latin America was developed. Surprisingly, the findings indicate a notable absence of abnormally low bids. This result stands in stark contrast to recent studies. The analysis of 122 PPP projects spanning diverse countries and sectors provides a foundation for constructing a statistical test to identify abnormally low bids.

Keywords: Auctions; Outliers; Abnormally low offers; Public-private partnership (search for similar items in EconPapers)
JEL-codes: C18 D44 D47 (search for similar items in EconPapers)
Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:eee:juipol:v:96:y:2025:i:c:s0957178725001365

DOI: 10.1016/j.jup.2025.102021

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