collaborators

6 papers

physics.soc-ph2026

Who burdens the welfare state? Migration and ageing in housing, education, and healthcare demand

Guillermo Prieto-Viertel, Carsten Källner, Elma Dervic +3

Political discourse attributes the pressure on European welfare systems to foreign nationals. Yet projections of service demand rarely disaggregate service demand by citizenship st…

econ.GN2025

Migrants as First Responders: A Global Estimate of Disaster-Driven Remittances

Andrea Vismara, Ola Ali, Carsten Källner +2

International remittances represent a vital source of disaster adaptation finance for households around the world, yet their responsiveness to environmental disasters remains poorl…

physics.soc-ph2025

Arriving Young, Leaving Old(er): Age-Structured International Migration on Subnational Scale in Austria

Carsten Källner, Ola Ali, Andrea Vismara +2

Modelling migration is complicated, as people move for many reasons. Some leave their country for the first time, others return to places they once called home, or move on to new d…

physics.soc-ph2025

Most Western African migrants remain local and travel short distances

Irene Tafani, Ola Ali, Rafael Prieto-Curiel +1

Migration patterns are complex and context-dependent, with the distances migrants travel varying greatly depending on socio-economic and demographic factors. While global migration…

physics.soc-ph2025

Refugees' path to legal stability is long and systematically unequal

Ola Ali, Elma Dervic, Guillermo Prieto-Viertel +4

Legal systems shape not only the recognition of migrants and refugees but also the pace and stability of their integration. Refugees often shift between multiple legal classificati…

physics.soc-ph2025

Mapping urban segregation through co-residence network reconstruction

Marc Sadurní, Samuel Martin-Gutierrez, Ola Ali +3

Urban segregation poses a critical challenge for cities, exacerbating inequalities, social tensions, fears, and polarisation. It emerges from the interplay of socio-economic dispar…