Incorporating living conditions and job opportunities in cities into mathematical models of human mobility improves model accuracy. The traditional gravity model of human mobility uses the distance of ...

ProPublica is a nonprofit newsroom that investigates abuses of power. Sign up to receive our biggest stories as soon as they’re published. Read the full methodology (PDF). ProPublica, with The New ...

Vienna model results. A) Heat map of Vienna of the observed arrivals in Austria for the four top diasporas in Austria. B) Heat map of the diaspora model estimates in Vienna. C) Heat map of the gravity ...

Current models of human migrations consider cities as equal, so that migration fluxes are driven by population size (left). However, natural hazards, conflicts, or socioeconomic inequalities affect ...