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The purpose of this paper is to explore top government hands-on megaproject management model applied to Istanbul’s new airport megaproject. The study aims to find an answer to this research question: “How is the organizational design and management of a megaproject that has been alive in a confrontational socio-political environment and whose national strategic importance is high?”

Organizational theory and critical theory perspectives are used in this study. Istanbul’s grand airport is chosen as the case study. Interview, focus group and document analysis methods are used together. The research yields data from qualitative resources. Verbal and written materials are organized into three major themes and 27 key subjects for content analysis.

A top level of organizational management can be attained in the state in order for the mega projects with high national strategic importance to survive without problems and with high performance. The top government-level organizational structure implemented at Istanbul’s new airport has reduced complexity, risk and uncertainty; increased performance and product quality; and strenghtened inter-organizational compatibility and communication within the megaproject organization. However, this structuring also increased centralization, reduced transparency and direct public participation in the decision-making process.

The megaproject is run in strict confidence and limited information is shared gradually in a controlled way with public by the megaproject organization. Therefore, a qualitative methodology is followed and the usage of quantitative data remained limited in the research.

The study presents an exemplary top government-level megaproject management model for countries experiencing strong socio-political conflicts and aiming to perform megaprojects with high national strategic importance.

The organization of Istanbul’s new airport megaproject offers an exemplary, flexible and innovative organizational management model for countries that want to realize mega projects with high national strategic importance and experience strong socio-political conflicts. The questions of how to cope with challenges, how to build management capabilities and how to improve the cooperation and coordination within megaprojects have found some answers with this study. In addition, this study provides an insight into how to make more effective objections to wrong megaproject practices and the right strategies that the opposing organizations can follow.

This empirical research widens and deepens the theoretical foundations of top government hands-on megaproject management. The study, which includes a process analysis, allows to better understand the philosophy, nature, success, planning process, social organization and dynamics of megaprojects and to explain them through the values and strategies of organizations.

Problem-based learning (PBL) has been suggested as an approach to education for sustainable development (ESD); however, the integration of interdisciplinarity is continuously challenged as it requires transfer and collaboration across disciplinary boundaries, as well as integration into an often already-overflowing curriculum. Even in formalized PBL universities emphasizing student responsibility for defining relevant problems, envisioning sustainable solutions and developing transversal competences, interdisciplinary collaboration is still often “relocated” to extra-curricular activities. This paper aims to explore Aalborg University (AAU) Megaprojects as a case for systematically integrating principles of ESD, and particularly interdisciplinarity, into PBL at scale.

The paper proposes a framework for analysing potentials and challenges concerning interdisciplinary framing and facilitation in large-scale projects based on PBL- and ESD-related research and presents findings from a case study on the first three rounds of megaprojects at AAU in 2019 and 2020.

The findings indicate that interdisciplinary megaprojects have the potential to motivate students to engage in sustainable development; however, they require systematic framing and guided facilitation, particularly in the early stages, for students to take ownership, prioritize collaboration and see the contribution to and connection between disciplines. They also need prioritization at all institutional levels to succeed as an institutional strategy of ESD.

The paper provides insights into the potentials and challenges of framing and facilitating large-scale megaprojects as an approach to integrate the SDGs and interdisciplinary collaboration into higher education. Hence, it aims to provide new insights, concepts and practices for ESD and PBL for sustainability.

The megaproject is a vital innovation ecosystem for participants engaging in technological adoption and integration to achieve project goals. The purpose of this paper is to examine how ecosystem captains build and operate a megaproject innovation ecosystem (MIE). To be more specific, we conducted an in-depth case study to identify the roles played by ecosystem captains in establishing and managing a megaproject innovation ecosystem.

Based on the Hong Kong-Zhuhai-Macau Bridge project, the data we collected range from 2010 to 2019 and include semi-structured interviews, informal conversations, and archival documents. We employed an inductive theory building approach to address our research question and analyzed our data using the coding process and Atlas.ti software.

We find that the ecosystem captains themselves are client organizations that have evolved with the ecosystem during four distinct yet inter-related phases. In addition, we find that the captains’ roles of the client organizations include two typical activities: ecosystem establishment and ecosystem collaboration. The ecosystem captains first frame problems, plan innovative activities, set rules, and select participants for the establishment of the ecosystem, and then orchestrate resources, buffer conflicts, incorporate innovative networks, and cultivate an innovation culture to create a collaborative ecosystem.

This study proposes a theoretical framework showing how ecosystem captains engage in MIE to manage innovative activities during different stages. It highlights the importance of captainship roles in client organizations in a megaproject.

The purpose of this paper is to propose to redefine the concept of project lead time (PLT) to encompass the time between the project initial idea and the moment in which success is being assessed, which can be beyond the project close-out, using whatever criteria is appropriate for the stakeholder at that moment in time. The conventional project life cycle does not count for the long-term effects of the megaproject, which can have a significant impact on its perception of success. Thus the megaproject life cycle should include a significant part of the operational life cycle of the end product or result, and the criteria of success should include the long-term benefits of the project (measured along various years after the delivery of the end product or result).

The paper uses three illustrative cases of megaprojects: Airbus A380, London Heathrow Terminal 5 and London Olympic Games 2012. These megaprojects, despite their problems in achieving objectives of time, cost and quality (the triple constraint), can be viewed as success or failure depending on the performance and benefits of the resulting product/infrastructure analysed over a long period of time after its delivery.

In order to reconcile the usual distinction between project and product life cycle, and the various definitions of success in different moments of the project/product life cycle, the authors propose to redefine the concept of PLT to encompass the time between the project initial idea and the moment in which success is being assessed, beyond the project close-out, using any criteria which is appropriate for the stakeholder at that moment in time.

When assessing the success of the megaproject it is important to define the PLT under which success is being assessed. As pointed out earlier, in findings, the authors propose to redefine the concept of PLT to encompass the time between the project initial idea and the moment in which success is being assessed, beyond the project close-out, using any criteria which is appropriate for the stakeholder at that moment in time.

The purpose of this study is to examine the factors influencing the transaction costs (TCs) in megaprojects to provide a basis for controlling project costs.

This study selects six factors influencing the TCs in megaprojects from the perspective of TC theory and relational contract theory (RCT) through literature review. On the basis of crisp-set qualitative comparative analysis (QCA), this study tests combined factors influencing the TCs and the interaction between them.

Results show that in megaprojects, TCs are affected by combination factors. The combination of asset specificity, uncertainty, transaction frequency and trust and the combination of asset specificity, reputation and trust will control TCs in certain situations. In the configuration leading to high project TCs, the combination of environmental and behavioral uncertainties is a necessary condition.

This paper fills up the research gap in the field of megaproject TCs, and researchers can focus on this field in the future.

The purpose of this paper is to analyze the relationship between the demographic characteristics of top management teams (TMTs) (i.e. age, gender, administrative level, senior management experience and educational background) and megaproject performance, with respect to schedule, cost, quality, safety and technological innovation. The results shed new light on the effectiveness of different types of TMT.

This paper collected secondary and objective data from 208 TMT members in 42 megaprojects and employed hierarchical regression analysis to test the research hypotheses.

The findings revealed that age has a significant influence on schedule performance; gender has a significant influence on safety performance; senior management experience has a significant influence on cost performance; and educational background has a significant influence on both schedule and technological innovation performance. However, this study did not find evidence of a significant relationship between the administrative level and megaproject performance.

This paper mainly focused on China’s megaprojects, most of which are globally influential (e.g. Hong Kong–Zhuhai–Macao Bridge and Shanghai Expo), however this sampling approach still limits the generalizability of research findings to other contexts.

The results of this paper contribute to a better understanding of how management team capabilities translate into better project achievements. This paper also provides implications on the criteria for selecting top megaproject managers to optimize the composition of the TMT and realize better performance.

Managers of megaprojects face social risk management challenges throughout the various design, construction, and operation stages, owing to the various conflicts of interest among stakeholders, public skepticism, and opposition. However, most existing studies have not focused on the dynamic analysis of integrating social risks in these stages. This study developed a dynamic analysis approach to explore the dynamics of critical social risk factors and related stakeholders of megaprojects and built the managerial maps for various stakeholders.

Based on the social analysis network (SNA), a dynamic network analysis approach for understanding the dynamics of social risk and related stakeholders has been developed by literature and case analysis. The approach comprises the following steps: (1) generating social risk–stakeholder networks in different stages; (2) analysis of the critical stakeholders and social risk factors; (3) dynamic analysis of social risk factors; and (4) developing social risk management maps for various stakeholders. To verify the feasibility and effectiveness of the approach, 40 megaprojects from China were analyzed.

According to the results, the local government is a critical stakeholder during all stages, inadequate information promotion (IIP) and imperfect communication and coordination mechanism (ICCM) are key social risk sources throughout the megaproject life cycle. Furthermore, the management maps for government organizations, project implementation groups, and external stakeholders were constructed.

This research has three contributions. First, a dynamic analysis approach of stakeholder-associated social risks in megaprojects is developed, which enriches the social risk management theory of megaprojects and provides inspiration for future research focus. Second, the social risk–stakeholder networks and critical social risks in different stages are confirmed to provide a more valid and accurate picture of social risk management in megaprojects. Third, the social risk managerial maps for different stakeholders built in this research will be beneficial for governments, project implementation groups, and external stakeholders to optimize management strategies.

Megaprojects are symbolic milestones of human history. Most megaprojects are one-of-a-kind endeavors to which traditional project management principles are neither applicable nor suitable, rendering the holistic study of megaprojects especially difficult. There is no systemic framework that can help systematically assess and guide megaprojects and megaproject research. In the absence of such a framework there is a significant risk of bias in planning the projects and the topics researched. The purpose of this paper is to present an ontological framework of megaprojects and discuss how it can help analyze individual megaprojects and synthesize the corpus of megaproject research.

An ontology framework of megaproject is developed by deconstructing the symbolism and purpose of megaprojects into respective dimensions and their categories. The ontological framework is then used to map the extent literature on megaproject to identify the dominant themes and gaps in the state-of-the-research.

The megaproject research has predominantly focused on select stakeholders (builders, governments, and communities), translation stages (implementation and conceptualization), and sublime (mostly economic). Other aspects of megaprojects have received little or no attention.

The paper presents an ontological framework to holistically capture the symbolism and sublime of megaprojects. The framework is complete, expansive, and grounded, yet simple, parsimonious, and innovative. It is a tool for decision makers more than a formal ontology readable by machines.

The purpose of this paper is to examine the formation of strategic networks between second-tier actors in the context of a construction megaproject. The research question addressed is: How do second-tier strategic networks form in high uncertainty projects?

This is a qualitative single-case study, which examines strategic network formation in the context of a nuclear power plant construction project. Focused interviews with parties involved or having an interest in the megaproject were used as the primary data collection method.

The conditions for network formation in a megaproject context are specified with a focus on the determinants of uncertainty. A total of six second-tier network types with different formation conditions and potential roles in the project are characterized.

Analyzing the prerequisites of strategic network formation and examining the characteristics of various networks (that are either planned, taking shape or existing between the companies) in this specific context creates a basis for further study of network formation over network levels.

The formation of strategic networks is critical for many actors in the construction and related industries who are willing to participate in large projects. With the help of our findings, managers are able to define opportunities to orchestrate early phase network formation processes in uncertain circumstances, such as megaprojects.

The contribution of this paper lies in the close examination of strategic network formation from the second-tier actor perspective under circumstances of high uncertainty related to the early phases of megaprojects. Likewise, the illustration of different types of evolving nets in different phases of uncertain projects offers a contribution to the present discussion on strategic nets.

The low success rate of megaprojects stems from the opportunism triggered by uncertainty. Developing trust between participants is an effective means to reduce uncertainty, but this process is inevitably affected by contracts. The purpose of this paper is to examine the impact of uncertainty on participants’ opportunism in megaprojects and the effect of trust on reducing uncertainty. At the same time, the moderating effects of contractual control are tested.

This research classifies trust into competence-based trust and goodwill-based trust and categorizes uncertainty into environmental uncertainty and behavioral uncertainty. Partial least squares structural equation modeling is used to test the hypotheses based on data collected from 172 respondents.

The results show a positive correlation between the two types of uncertainty and opportunism. For the governance of uncertainty, competence-based trust can reduce environmental uncertainty, but it is ineffective for behavioral uncertainty, and goodwill-based trust has a significant effect on both types of uncertainty. The test of moderating effects shows that contractual control strengthens the effect of competence-based trust but weakens the effect of goodwill-based trust, which means that contractual control complements competence-based trust and substitutes for goodwill-based trust.

This research enriches the theory of megaproject management. First, it validates the role of competence-based trust and goodwill-based trust in reducing the different types of uncertainty in megaprojects. Second, this study clarifies the substitution or complementarity between contractual control and different dimensions of trust in the context of high uncertainty, which provides a comprehensive answer to prior research inconsistencies on contractual control and trust.

For practice, this research provides some implications for megaproject management. First, project managers should recognize that the match between trust and project uncertainty is key to the success of megaproject governance. For example, some megaprojects involve many organizations, and there are many difficulties in behavioral supervision and performance appraisal. Therefore, developing goodwill-based trust between participants through positive interactions is an effective means to reduce the behavioral uncertainty of all participants and to curb opportunistic behaviors.

This research validated the role of competence-based trust and goodwill-based trust in reducing the different types of uncertainty in megaprojects. Furthermore, it clarifies the substitution or complementarity between contractual control and different dimensions of trust in the context of high uncertainty, which provides a comprehensive answer to prior research inconsistencies on contractual control and trust.