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Parsimonious stochastic forecasting of international and internal migration on the NUTS-3 level – an outlook of regional depopulation trends in Germany

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  • Patrizio Vanella
  • Timon Hellwagner
  • Philipp Deschermeier

Abstract

Supplementary Files Forecast results by age group, gender and district (PDF) Supplementary material 2 (Excel) Supplementary material 2 (Excel) Substantiated knowledge of future demographic changes that is derived from sound statistical and mathematical methods is a crucial determinant of regional planning. Of the components of demographic developments, migration shapes regional demographics the most over the short term. However, despite its importance, existing approaches model future regional migration based on deterministic assumptions that do not sufficiently account for its highly probabilistic nature. In response to this shortcoming in the literature, our paper uses age- and gender-specific migration data for German NUTS-3 regions over the 1995–2019 period and compares the performance of a variety of forecasting models in backtests. Using the bestperforming model specification and drawing on Monte Carlo simulations, we present a stochastic forecast of regional migration dynamics across German regions until 2040 and analyze their role in regional depopulation. The results provide evidence that well-known age-specific migration patterns across the urban-rural continuum of regions, such as the education-induced migration of young adults, are very likely to persist, and to continue to shape future regional (de)population dynamics.

Suggested Citation

  • Patrizio Vanella & Timon Hellwagner & Philipp Deschermeier, 2023. "Parsimonious stochastic forecasting of international and internal migration on the NUTS-3 level – an outlook of regional depopulation trends in Germany," Vienna Yearbook of Population Research, Vienna Institute of Demography (VID) of the Austrian Academy of Sciences in Vienna, vol. 21(1), pages 1-1.
    • Handle: RePEc:vid:yearbk:v:21:y:2023:i:1:oid:0x003e34be
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    References listed on IDEAS

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    1. Henger, Ralph M. & Oberst, Christian, 2019. "Alterung der Gesellschaft im Stadt-Land Vergleich," IW-Kurzberichte 16/2019, Institut der deutschen Wirtschaft (IW) / German Economic Institute.
    2. Aude Bernard & Martin Bell, 2018. "Educational selectivity of internal migrants: A global assessment," Demographic Research, Max Planck Institute for Demographic Research, Rostock, Germany, vol. 39(29), pages 835-854.
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