ckaellner/P1_arrivals_exits: Code and Data Supplement for "Arriving Young, Leaving Old(er)"

Description This release contains the analysis, processed data, and visualization scripts for the manuscript: "Arriving Young, Leaving Old(er): Age-Structured International Migration on Subnational Scale in Austria" (arXiv:2511.19007v1). Content Overview Data: High-resolution administrative data (processed). Model implementation: R script for the diaspora flow model using age-disaggregated migration rates. Analysis: Script generating the visualizations and age-geography patterns discussed in the paper. Instructions See README.md for setup and execution steps to replicate the results of the paper. Citation Please cite this version using the Zenodo DOI assigned to this release.