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Ex post impact evaluation of PPP projects: an exploratory research

Jose Oliveros-Romero ( The University of Melbourne , Melbourne, Australia)
Ajibade A. Aibinu ( The University of Melbourne , Melbourne, Australia)

Built Environment Project and Asset Management

ISSN: 2044-124X

Article publication date: 22 March 2019

Issue publication date: 11 April 2019

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Abstract

Purpose

The purpose of this paper is to explore, in literature and practice, the use of ex post impact evaluations within the public–private partnership (PPP) context and understand the major considerations for developing a PPP ex post impact evaluation method.

Design/methodology/approach

This paper applies exploratory research through expert interviews from Chile and Australia to describe: the relevance of this kind of evaluation, and the challenges of designing and conducting a PPP ex post evaluation.

Findings

The study confirms the lack of a formal method for evaluating the impact of a PPP project. Experts agree on the relevance of performing ex post evaluations to PPP projects and that in practice there is no formal procedure to follow. Among other challenges, experts discussed four general ex post evaluation aims: transparency and accountability, PPP legitimization, industry learning and government agency learning.

Research limitations/implications

This study confirms the gap in knowledge and contributes to the developments of approaches to perform ex post impact evaluation of PPP projects. It also provides several suggestions that need to be addressed when attempting to evaluate PPPs beyond the financial and contractual parameters.

Originality/value

The topic is not fully addressed in the literature, and this study contributes to the initial discussion and development of this evaluation method, which is considered significant for the development of public infrastructure.

Keywords

Citation

Oliveros-Romero, J. and Aibinu, A.A. (2019), "Ex post impact evaluation of PPP projects: an exploratory research", Built Environment Project and Asset Management, Vol. 9 No. 2, pp. 315-330. https://doi.org/10.1108/BEPAM-01-2018-0036

Publisher

:

Emerald Publishing Limited

Copyright © 2019, Emerald Publishing Limited