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1. Introduction
2. Definitions and analytical perspectives on migration
3. Forms of international migration
4. Theoretical approaches
5. Effects of migration
6. Implications for spatial planning
Additional literature

Due to their quantity and selectivity, migration processes are increasingly relevant to planning processes. Migration leads to demographic and social changes; strategies of migrant integration must therefore take into account their heterogeneity and the spatial selectivity of their residential location. The different definitions of migrant status in the statistics must also be considered.

Birgit Glorius


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  1. Clarification of the term
  2. Reasons for mobility
  3. Mobility and travel behaviour
  4. Measuring mobility
  5. Mobility and space
  6. New mobility strategies
  7. Outlook
Additional literature

Spatial mobility refers to both migration-related mobility and daily, regular or occasional changes of location, triggered by the desire or need to carry out an activity at the destination. In this way, people explore the given options for action in space.

Barbara Lenz

Mutual feedback principle

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  1. Basic principles and origins
  2. Legal scope of the mutual feedback principle pursuant to section 1(3) and section 8(2), sentence 2 of the Federal Spatial Planning Act 
  3. General applicability of the mutual feedback principle in spatial planning law as a whole?

The mutual feedback principle, which is regulated in section 1(3) of the Federal Spatial Planning Act (Raumordnungsgesetz, ROG), primarily serves as a guiding principle for spatial planning and expresses a certain planning culture, but does not go beyond the express statutory requirements of participation, coordination and weighing of interests.

Boas Kümper