New Issue: Global Challenges & Regional Science Global Challenges & Regional Science Volume 4, December 2025 Housing deprivation in rapidly urbanizing regions: evidence from functional urban areas in Sub-Saharan Africa, South Asia, and Southeast Asia Article Number 100021 Danny Granda, Luis Mateo-Peinado, Moisés Obaco, Jorge Urrutia-Mosquera A second spatial autocorrelation mechanism: Geographic hierarchies and urban systems Article Number 100022 Daniel A. Griffith, Bin Li, Marco Millones, Freddy Injoque, Braulio Quispe, Arturo Kerlim Villarino Measuring regional economic transformation: Which European regions are leading the competitiveness and sustainability challenge? Article Number 100020 Anabela Santos, Andrea Conte Read the full issue on ScienceDirect
