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This paper deals with the management of settlement growth in the Grand Duchy of Luxembourg from the perspective of informality. Luxembourg is subject to high demographic and economic growth pressures across all parts of the country (capital, old-industrialized South, rural North), which strongly challenges the current planning system. At the same time, there is no formal regional planning, apart from approaches of intermunicipal cooperation, which are mainly voluntary in nature. Drawing on empirical case studies in two high-growth municipalities (Junglinster, Schuttrange), the paper outlines planning decisions in the institutional triangle between municipality, state and private institutions. Informality serves here not only to compensate for a lack of planning control, but also to deal with the country's complex legal framework conditions. The vital interests of landowners come into play informally as well: since parts of the country's wealth emerge from the valorization of property, speculative interests are immanent, and thus block development processes. In this context, the paper addresses elements of a regional growth management that could close the gap that exists between state planning and municipal autonomy. [ABSTRACT FROM AUTHOR]

Metropolitan regions result from spatial rescaling processes and region formations and are considered as "soft spaces of governance", referring to international debates on the "new regionalism". This paper addresses the criticism that the focus on competitive metropolitan regions distracts from the need for action on classic spatial planning issues. For this, the paper examines and discusses the institutional integration of regional planning in the German metropolitan regions and the activities of regional growth management as well as the regulatory intensity of regional plans based on a group comparison of metropolitan regions. As a result, the thesis of an institutionally fragmented regulatory growth management by regional planning can only be confirmed for a few metropolitan regions, where no relevant institutions and instruments are implemented in the core area. Regarding the "soft" instruments of growth management, the situation is very different. Here, the action potential is not yet fully utilized, even in metropolitan regions with strong institutional cores. [ABSTRACT FROM AUTHOR]

As a contribution to the debate on deregulation of spatial planning and lean regional plans, this paper presents the first long-term study for Germany analysing the regulatory intensity of all regional plans legally valid in 2017 on the topics of settlement and open space development over time. As a final result, the assumption of a general deregulation and streamlining of regional plans cannot be confirmed. In contrast, changes in the legal basis, such as the priority of inner over outer urban development, have led to a continuous increase in the regulatory intensity over time, particularly in the case of positive growth management policies with an active role of regional planning. At the same time, there is evidence of streamlining tendencies in some states, which can partly be interpreted as deregulation tendencies. To date, however, they are merely an expression of state-specific ways of shaping regional planning and not a sign of an accelerated deregulation competition. [ABSTRACT FROM AUTHOR]

Small-scale, often polarizing changes in the population structure characterized by migration, have a crucial influence on the current development of settlements in Germany. Although state and regional planning tries to manage related demands for residential areas, competition for potential migration gains on themunicipal level often leads to an unregulated development of residential areas within the region. This paper therefore seeks to develop an approach for an inter-municipally coordinated planning of residential areas, which takes into account demographic developments, in order to reduce the overall land consumption. In a first step, the residential land requirements that can be derived from expected small-scale population movements are presented in the form of different scenarios for specific municipalities. In a second step, a screening approach is used to identify those municipalities that appear to be suitable for accommodating additional residential development land requirements on the basis of their amenities and accessibility. In a third step, the identified residential land requirements are assigned to test areas with the help of various indicators. The approach is illustrated using the example of the Halle-Leipzig region. [ABSTRACT FROM AUTHOR]

Due to increasing density-dependent competitions in land use, it is difficult to plan new industrial areas, especially for factories and businesses with a need for large-scaled sites. Economic interest groups demand to plan new industrial areas to keep the region in a competitive position. At the same time, many citizens and local politicians are concerned about new specific land use areas for industries. To locate suitable industrial sites in the catchment area of municipalities with land shortage and a high demand for space and to involve regional stakeholders into the planning process, new regional planning tools are required. The case study about the "Regionale Kooperationsstandorte" planning tool in this paper shows which additional values and challenges the recipients of the plan expect from the new planning approach. Apparently, the new regional planning tool is generally accepted by most of the stakeholders in the Ruhr Metropolis. But specific regulations and particular sites are highly controversial, due to diverging interests of different stakeholders and municipalities or due to changing circumstances, so that it is not possible to reach a consensus on all issues. [ABSTRACT FROM AUTHOR]

In Germany and Switzerland, land use and urban sprawl there has been a central topic of public debate for several years. Cantonal structure plans in Switzerland as well as state and regional plans in Germany contain binding regulations for managing settlement development. Studies that examine the implementation of these regulations are lacking. This paper analyses the implementation of selected instruments of supra-local spatial planning for managing settlement development in Germany and Switzerland using the Policy Arrangement Approach. The case study covers the regions Oberland (Bavaria), Südlicher Oberrhein (Baden-Württemberg) and the cantons of Zurich and St. Gallen. The results show that actors implement spatial-planning instruments in situative negotiation processes in which they exploremargins and alternatives. Central to these processes is a regional specific overlapping of (i) interlinkings of formal and informal instruments, (ii) the interplay between local autonomy, supra-local control and superordinate context factors, and (iii) the overlapping of supra-local and regional discourses. The results show that the Policy Arrangement Approach helps to better understand how spatial planning works. [ABSTRACT FROM AUTHOR]