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This chapter is a case study on Public–Private Partnerships (PPPs) in Colombia. The choice is justified by the significant progress of the country in this field and its ambitious plans to provide infrastructure and services through PPPs in the coming years. The infrastructure deficit and the evolution and current status of PPPs in Latin America frame the theme of the chapter. The case study itself explains the adoption of the PPP model in Colombia, describes the new legal and institutional framework and presents the most relevant PPP programmes and projects. The review carried out allows us to conclude that, despite the developments in recent years, PPP schemes continue to be very concentrated in the transport sector. For the effective development of the PPP model in the country, Colombia should extend such schemes to other fields, including the provision of social infrastructure and services. It should also improve some institutional aspects and project attractiveness to investors in order to increase the private capital required to finance PPP projects that currently are in the government portfolio. This chapter offers a general perspective on Colombian PPP, gathering and analyzing information for a better understanding of the current situation and the prospects for the future.

The purpose of this chapter is to discuss theory-based evaluation of public–private partnership (PPP) projects/programmes and to develop an intervention logical framework. It aims to draw attention to the need to go beyond the measurement of project/programme results to address not only the question of whether or not the project/programme worked but also the how and why questions. The study follows an interpretative methodology. It analytically discloses the mechanics of theory-based evaluation in relation to a ‘PPP theory’ and describes a theory-based analytical framework that portrays an explicit path towards ultimate impacts so as to assess, in a more systematic and integrated way, the success or failure of a PPP. Theory-based evaluation is a promising evaluation approach that would fit into the complexities of PPP projects/programmes and would expand the available toolbox of evaluators. Proper use of theory-based evaluation in PPP interventions contributes to better policy formulation and project implementation, thus leading to improved socio-economic benefits derived from PPP projects and programmes. The main contribution of the study is that it develops a ‘PPP theory’ and a related logical intervention framework drawing on theory-based approaches. Although the framework is developed for a representative sector, transport, it can easily be applied to any other PPP intervention.

The application of circular economy (CE) has received wide coverage in the built environment, including public-private partnership (PPP) infrastructure projects, in recent times. However, current studies and practical implementation of CE are largely associated with construction demolition, waste and recycling management. Few studies exist on circular models and success factors of public infrastructures developed within the PPP contracts. Thus, the main objective of this article is to identify the models and key success factors associated with CE implementation in PPP infrastructure projects.

A systematic review of the literature was undertaken in this study using forty-two (42) peer-reviewed journal articles from Scopus, Web of Science, Google Scholar and PubMed.

The results show that environmental factors, sustainable economic growth, effective stakeholder management, sufficient funding, utilization of low-carbon materials, effective supply chain and procurement strategies facilitate the implementation of CE in PPP infrastructure projects. Key CE business models are centered around the extension of project life cycle value, circular inputs and recycling and reuse of projects.

Although the study presents relevant findings and gaps for further investigations, it has a limited sample size of 42 papers, which is expected to increase as CE gain more prominence in PPP infrastructure management in future.

The findings are relevant for decision-making by PPP practitioners to attain the social, economic and environmental benefits of transitioning to circular infrastructure management.

This study contributes to articulating the key models and measures toward sustainable CE in public infrastructure development.

The purpose of this chapter is to analyse Public–Private Partnerships (PPPs) in the developing and emerging economies as a multifaceted challenge from viewpoint of the 10 keys ‘for’ and ‘against’ PPPs: feasibility; planning; optimization; modernization and development; financing; project delivery; project operation; supervision; user satisfaction and accounting issues. The conceptual model and the reasons were formulated by the authors some 10 years ago, based on the literature and case-study reviews. Relevance of those reasons was verified in practice. The knowledge and critical perspective on the above-stated reasons are relevant for the implementation of PPP projects in any national economy – developed, emerging or developing, but it is quintessential for the implementation of PPPs in the economies that are at the early stage of implementation of PPPs. Although for the identification of the above-stated reasons, wide comparative literature and case-studies review was conducted, the reasons were verified in practice in Slovenia only. Slovenia is considered as one of the most advanced transition countries of Central Europe and a developed economy. This chapter can improve public policy, teaching, learning and practice of PPP implementation in developing and emerging economies. The value of this chapter is in the approach which goes beyond the usual defending or renouncing of PPPs. This chapter also clearly identifies the importance of a sincere motive for the implementation of PPPs by the government as a prerequisite for the successful implementation of PPPs.

This chapter studies the importance of implementation of innovational projects of technological growth through public–private partnership (PPP). The authors determine the probability of implementing a project of PPP depending on distribution of risks between its participants. Usage of the mechanism of PPP allows optimizing possible risks during implementation of innovational activities, attracting large business for creation and implementation of new technologies, and forming sustainable ties between R&D departments and business structures. The types of risks in the projects of PPP are given, as well as tendencies of their emergence depending on the stage of implementation of the innovational project, including the following: formation of policy on development of PPP; preparatory, implementary, commercialization of the results of joint activities; and monitoring and control over execution of the project. The algorithm of the system of risk management in innovational projects of technological growth on the platform of PPP is presented. The methods of overcoming the risks that appear during implementation of an innovational project of technological growth within PPP are given. A special attention should be paid to the fourth (distribution of risks) and fifth (reduction of risks) stages. During implementation of innovational projects with application of a business model of PPP, the risks are dealt with by the participant who can manage them better. Reduction of risks is achieved better if several strategies are used – for decreasing the influence of the risk on the innovational project (strategies of risk evasion, acceptance of the risk situation, compensation, transfer, and reduction).

Recent United Nations Climate Change Conferences recognise extreme climate change of heatwaves, floods and droughts as threatening risks to the resilience and success of public–private partnership (PPP) infrastructure projects. Such conferences together with available project reports and empirical studies recommend project managers and practitioners to adopt smart technologies and develop robust measures to tackle climate risk exposure. Comparatively, artificial intelligence (AI) risk management tools are better to mitigate climate risk, but it has been inadequately explored in the PPP sector. Thus, this study aims to explore the tools and roles of AI in climate risk management of PPP infrastructure projects.

Systematically, this study compiles and analyses 36 peer-reviewed journal articles sourced from Scopus, Web of Science, Google Scholar and PubMed.

The results demonstrate deep learning, building information modelling, robotic automations, remote sensors and fuzzy logic as major key AI-based risk models (tools) for PPP infrastructures. The roles of AI in climate risk management of PPPs include risk detection, analysis, controls and prediction.

For researchers, the findings provide relevant guide for further investigations into AI and climate risks within the PPP research domain.

This article highlights the AI tools in mitigating climate crisis in PPP infrastructure management.

This article provides strong arguments for the utilisation of AI in understanding and managing numerous challenges related to climate change in PPP infrastructure projects.