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Demirel, H.C. (author), Leendertse, W.L. (author), Volker, L. (author), Hertogh, M.J.C.M. (author)Public Private Partnerships (PPPs) cover a range of possible relationships between public and private parties. PPP contracts are typically used in contexts of great uncertainty, such as large construction and infrastructure projects that are realized over a longer period of time. Hence, a major challenge in PPPs is to keep construction...journal article 2016
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Bos-de Vos, M. (author), Volker, L. (author), Wamelink, J.W.F. (author)Architectural firms deliver services for various, unique projects that are all characterized by a high level of uncertainty. To successfully propose, create and capture value, they need business models that are able to deal with this variety and uncertainty. So far, little is known about the different business models that are used in...conference paper 2016
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Manzoni, Beatrice (author), Volker, L. (author), Smyth, Hedley (author)dDespite being one of the most important means to obtain commissions, to explore in design terms and to develop design quality, architectural competitions are an extremely controversial procedure, in both research and in practice. Competitions present contradictory features and competing demands. Nevertheless, they are increasingly used within...book chapter 2016
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Kuitert, L. (author), Volker, L. (author)The public sector has been subject to some major movements the last 15 years. In public service delivery a trend called socialisation, leading to the displacement between public and private, is most crucial. A withdrawing government and privatization led to increased collaboration between public and private parties and made production,...conference paper 2016
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Hermans, M.H. (author), van Zoest, S.P. (author), Volker, L. (author)The construction sector is changing, and commissioning organisations have to rethink the way they approach the market. This is especially important for client organisations operating in the public domain, because of their role as change agent in the sector and their social responsibilities. The ‘Public Commissioning Maturity Model’ (PCMM), first...conference paper 2016
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Kuitert, L. (author), Volker, L. (author), Hermans, M.H. (author)In an environment with large interdependencies like the construction industry, projectbased public construction organisations are challenged to seek for 'new' ways to safeguard public values and project outcomes. Public bodies increasingly depend on private parties to achieve public values. Hence, due to the character of their tasks, they...conference paper 2016
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Bos-de Vos, M. (author), Volker, L. (author), Wamelink, J.W.F. (author)Architectural firms need business models that are able to deal with the diversity and uncertainty of their work to run a successful business over time. Little is known about the business models that are used in architectural service delivery and how they enable or constrain firms to create and capture value in their projects. In this research, a...conference paper 2016
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Bos-de Vos, M. (author), Wamelink, J.W.F. (author), Volker, L. (author)Architectural firms often have difficulty generating profit from their services as they pursue not only commercial but also professional goals. These goals frequently conflict and have to be balanced during the process of value creation and value capture. So far, literature has focused on the interaction between the perceived use value for...journal article 2016
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Bos-De Vos, M. (author), Volker, L. (author), Wamelink, J.W.F. (author)Architectural service delivery involves a complex system of economic and quality related value dimensions, which are mutually dependent and prioritized differently by actors. Responding to professional logics as well as organizational logics, value creation goals of architects and clients are multidimensional, resulting in tensions within and...conference paper 2015
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Hoezen, M (author), Volker, L. (author)The allocation of a contract for public construction projects in Europe usually requires a European tender procedure. This has to do with the size, the use of public means and the complexity of this type of projects. Compared to regular partnerships, it is hard to develop trust between the buyer and supplier in procurement situations. Inspired...journal article 2015
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Eisma, P.R. (author), Volker, L. (author)Because public construction clients form the majority of construction clients and procure over 40% of the construction output in most countries, they are important actors in the construction industry. Yet, the field of research on clients is still underdeveloped. In order to identify the research gaps in this field, a graphical network analysis...conference paper 2014
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Hermans, M.H. (author), Volker, L. (author), Eisma, P.R. (author)Being a public organization with construction needs, whether they are housing, building or infrastructure related, implies close co-operation and interaction with the supply chain. Substantial research exists that focuses on project related aspects of commissioning and on the role of the construction client in general. Only limited research has...conference paper 2014
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Bos-de Vos, M. (author), Lieftink, B. (author), Volker, L. (author), Wamelink, J.W.F. (author)Due to a shift towards market driven concepts, a risk allocation from the demand side to the supply side and the increasing competition with other skilled actors in the value chain, architectural firms have to adapt quickly to stay competitive. They need to innovate not only their products and services, but also make more fundamental changes in...conference paper 2014
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Bos-de Vos, M. (author), Lieftink, B. (author), Volker, L. (author), Wamelink, J.W.F. (author)Due to significant changes in the architecture, engineering and construction industry, architectural firms have to adapt quickly to stay competitive. They need to innovate not only their products and services, but also make more fundamental changes in the way they create and appropriate value, thereby replacing or innovating their business model...conference paper 2014
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Eisma, P.R. (author), Volker, L. (author)Purpose: To create an overview of scientific knowledge currently available on public clients in order to set up a research agenda for public commissioning in construction. Background: Public clients are important actors and change agents in the construction industry. While sharing characteristics with private clients, they differ on terms of...conference paper 2014
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Volker, L. (ed.) (author), Manzoni, B. (ed.) (author)Sessions are themed around: the climate, innovation, the client, strategies, assessment, case studies, the concept and identity.conference paper 2014
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Manzoni, B. (author), Volker, L. (author), Smyth, H. (author)Despite being one of the most important means to obtain commissions, explore in design terms and develop design quality, architectural competitions are an extremely controversial practice. Nevertheless, they are increasingly adopted within the European procurement law, to the point that exploring and understanding their debated issues is...conference paper 2014
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Manzoni, B. (author), Volker, L. (author), Smyth, H. (author)Despite being one of the most important means to obtain commissions, explore in design terms and develop design quality, architectural competitions are an extremely controversial practice. Nevertheless, they are increasingly adopted within the European procurement law, to the point that exploring and understanding their debated issues is...conference paper 2014
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Scharpff, J.C.D. (author), Spaan, M.T.J. (author), Volker, L. (author), De Weerdt, M.M. (author)Scheduling of infrastructural maintenance poses a complex multi-agent problem. Commonly a central authority is responsible for the quality and throughput of the infrastructure, while the actual maintenance is performed by multiple self-interested contractors. Not only does the central authority have to (economically) incentivise agents to...conference paper 2013
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Scharpff, J.C.D. (author), Spaan, M.T.J. (author), Volker, L. (author), De Weerdt, M.M. (author)Scheduling of infrastructural maintenance poses a complex multi-agent problem. Commonly a central authority is responsible for the quality and throughput of the infrastructure, while the actual maintenance is performed by multiple self-interested contractors. Not only does the central authority have to (economically) incentivise agents to...conference paper 2013