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Three strategies to track configurations over time with qualitative comparative analysis

Qualitative Comparative Analysis (QCA) – a configurational research approach – has become often-used in political science. In its original form, QCA is relatively static and does not analyze configurations over time. Since many key questions in political science – and other social sciences – have a temporal dimension, this is a major drawback of QCA. …

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Effective policy instruments mixes for implementing integrated flood risk management: An analysis of the Room for the River program

Central to integrated flood risk management is the integration of water management with spatial planning. Existing studies often focus on analyzing the policy instruments in the initiation and planning phases of integrated flood risk management. Little is known, however, about the policy instrument mixes that enable implementation of integrated flood risk management. Therefore, in this …

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A common ground? Constructing and exploring scenarios for infrastructure network-of-networks

Contemporary infrastructure networks require large investments especially due to aging. Investment opportunities of network-of-networks are often obscured because current scenarios often concern single infrastructure networks. Major barriers to the construction and use of network-of-networks scenarios are institutional fragmentation and the disconnection of scenario-development phases. This paper aims to construct and enhance the use of network-of-networks …

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Do public-private partnerships perform better? A comparative analysis of costs for additional work and reasons for contract changes in Dutch transport infrastructure projects

An important reason to procure transport infrastructure projects through Public-Private Partnerships (PPPs) is that they are expected to have a better cost performance compared to regular infrastructure procurement. However, the evidence for this is weak. Therefore, this article analyzes the cost performance (in terms of costs for additional work caused by contract changes during project …

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Het prestatievoordeel van publiek-private samenwerking: Een analyse van transportinfrastructuurprojecten in Nederland

Compared to regular contracts, infrastructure development and management through Public-Private Partnerships (PPPs) is expected to lead to better cost and time performance. However, the evidence for this performance advantage of PPPs is lacking. This article analyzes the performance differences of projects with a Design-Build-Finance-Maintain (DBFM) contract (a type of PPP) and a Design-and-Construct (D&C) contract. …

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Qualitative comparative analysis for analyzing spatial planning processes

Using a complexity lens has not gained widespread attention for explaining why certain planning processes succeed and others fail. This chapter responds by proposing Qualitative Comparative Analysis (QCA) as a method for analyzing the performance of spatial planning processes, taking into account the perceived complexity of the contextual environments encountered. This proposal is rooted in …

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Evaluatie 15 jaar DBFM-contracten bij infrastructuurprojecten Rijkswaterstaat

In opdracht van Bouwend Nederland en Rijkswaterstaat hebben we een evaluatieonderzoek uitgevoerd naar publiek-private samenwerking bij het Rijk. De focus lag op het in kaart brengen van de ervaringen en resultaten van 15 jaar Design-Build-Finance-Maintain (DBFM) bij Rijkswaterstaat en het formuleren van aanbevelingen voor de toekomst. Specifiek is gekeken naar de opvattingen over de mate waarin aan …

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Public-private partnerships for infrastructure development: Finance, stakeholder alignment, governance

For various and well-documented reasons, public-private partnerships (PPPs) are popular governance models for delivering transport infrastructure projects and services. The last decades, we have seen a proliferation of scholarly research into PPPs. We know from this literature that there is a huge variegation of definitions and manifestations of PPPs and experiences with PPPs, and that …

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Comparative planning research, learning, and governance: The benefits and limitations of learning policy by comparison

In this article, we develop a perspective on the value of, and methodologies for, comparative planning research. Through comparative research, similarities and differences between planning cases and experiences can be disentangled. This opens up possibilities for learning across planning systems, and possibly even the transfer of best planning and policy practices across systems, places, or countries. …

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The role of the public partner in innovation in transport infrastructure PPPs: A qualitative comparative analysis of nine Dutch DBFM projects

By transferring risks and responsibilities to the private sector, governments hope that public-private partnerships (PPPs) bring about innovations in transport infrastructure development. Taking the position that a PPP is not equal to outsourcing, this article explores the role of the public partner in innovation in infrastructure PPPs. To this purpose, nine Design-Build-Finance-Maintain (DBFM) projects in …

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