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EXPORT DATE: 2 June 2025

@CONFERENCE{Asmone2025,
author={Asmone, Ashan Senel and Pal, Aritra and Murguia, Danny and Rathnayake, Asitha and Middleton, Campbell },
editor={Seppänen, Olli  and Koskela, Lauri  and Murata , Koichi  },
title={Where Is the Evidence of Performance Improvement in the Lean Construction Literature?}, 
journal={Proceedings of the 33rd Annual Conference of the International Group for Lean Construction (IGLC 33)}, 
booktitle={Proceedings of the 33rd Annual Conference of the International Group for Lean Construction (IGLC 33)}, 
year={2025},
pages={1-12},
url={http://www.iglc.net/papers/details/2324},
doi={10.24928/2025/0128},
affiliation={Research Associate, Department of Engineering, University of Cambridge, UK, asa79@cam.ac.uk, orcid.org/0000-0002-2173-3890 ; Assistant Professor, Department of Civil Engineering, Indian Institute of Technology Madras, Chennai, Tamil Nadu, India, aritrapal@civil.iitm.ac.in, orcid.org/0000-0002-1644-7400 ; Senior Research Associate, Department of Engineering, University of Cambridge, UK, dem52@cam.ac.uk, 
orcid.org/0000-0003-1009-4058 ; Research Associate, Department of Engineering, University of Cambridge, UK, agbrr2@cam.ac.uk, orcid.org/0000-0002-1389-7801 ; Professor, Department of Engineering, University of Cambridge, UK, prof@construction.cam.ac.uk,
orcid.org/0000-0002-9672-0680 },
abstract={This paper critically evaluates the evidence of performance improvement within the lean construction literature. Through a systematic review of 1,351 papers presented at the International Group for Lean Construction (IGLC) conferences between 2013 and 2024, we identify a significant gap in evidence-based studies explicitly addressing performance improvement, with only 52 papers (3.8%) focus on this critical issue. Our findings highlight a predominant focus on building projects, while infrastructure and industrial sectors remain largely overlooked. Additionally, we classify the various performance metrics used in the literature, revealing a lack of standardisation in measuring project outcomes, which complicates benchmarking efforts. We advocate for the adoption of a consistent performance measurement framework to enable meaningful comparisons across similar projects, facilitating the identification of performance improvement and waste reduction. We argue that a structured, industry-wide approach to benchmarking and performance evaluation is essential for the sustained adoption of lean construction and the realisation of its full benefits. },
author_keywords={Lean construction, performance improvement, productivity, measurement, standardisation. },
address={Osaka and Kyoto, Japan },
issn={2789-0015 },
publisher={ },
language={English},
document_type={Conference Paper},
source={IGLC},
}