Public–Private Partnership projects: value creation challenges for unsolicited proposals in developing economies

Jose Guevara and Gabriel Castelblanco

Chapter 16 in Research Companion to Advances in the Construction Industry in the Global South, 2026, pp 374-394 from Edward Elgar Publishing

Abstract: Public–Private Partnerships (PPPs) are widely used for large-scale infrastructure, leveraging private-sector expertise and funding to overcome public-sector limitations. Traditionally, PPPs are initiated through Solicited Proposals (SPs), where the public sector defines project parameters and invites competitive bids. Recently, Unsolicited Proposals (USPs) have gained traction, enabling private entities to propose projects independently, potentially fostering innovation and faster delivery. This chapter critically examines USP processes and outcomes in two national PPP markets. Using a multi-method approach—case studies, quantitative analysis of over 1,300 USPs, and qualitative insights from interviews and regulatory reviews—the research identifies disparities in USP success rates, investment patterns, diversity, and competition. The findings offer a cross-national analysis to guide policymakers in refining USP frameworks to enhance transparency, competitiveness, and alignment with public goals. The chapter identifies project types, such as brownfield inter-urban roads and reconcessions, as less suitable for USP procurement, offering practical recommendations for improvement.

Keywords: Unsolicited proposals; USPs; Public–Private partnerships; PPPs; Value creation; Developing economies; Stakeholder management (search for similar items in EconPapers)
Date: 2026
ISBN: 9781035349012
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