LOS MARGINADOS

Three Invisible barriers that limit urban mobility and how to overcome them Oluchi MbonuCarolyn PelnikClaudia RivasHarris Selod March 12, 2026 This page in: English © 2026 World Bank Group,

https://blogs.worldbank.org/en/developmenttalk/three-invisible-barriers-that-limit-urban-mobility-and-how-to-ov Transport infrastructure is the backbone of city development, especially as it connects workers and jobs, enabling cities to generate wealth. Physical infrastructure, however, is only part of the equation. New research shows that non-physical barriers—such as information gaps, financial constraints, and psychological frictions—can prevent workers and entrepreneurs from accessing the opportunities cities have to offer. © 2026 World Bank Group,

Weekly links March 12: LLMs for papers and lessons from using them for DiD, uncovering economic trends in places without much data, UBIs vs job guarantees, and more… David McKenzie March 12, 2026 This page in: English © 2026 World Bank Group,

https://blogs.worldbank.org/en/impactevaluations/weekly-links-march-12--llms-for-papers-and-lessons-from-using-th On VoxDev, Stephan Haggard, Kyoochul Kim & Munseob Lee discuss the range of forensic methods available to researchers for studying economies like North Korea, where official statistics are unavailable or unreliable: “researchers can use a range of forensic methods – such as satellite imagery, mirror trade data, price monitoring, refugee surveys, humanitarian data, and text mining – to extract credible economic information… No single method is enough on its own. The most robust findings come from triangulating across sources” © 2026 World Bank Group,

The Binding Constraint on AI in Education Is Not Technology. It’s Organizational Culture Jaime SaavedraEzequiel Molina March 13, 2026 This page in: English Español © 2026 World Bank Group,

https://blogs.worldbank.org/en/latinamerica/binding-constraint-on-ai-in-education-latin-america When people talk about AI in education, they usually mean AI in classrooms: devices, chatbots, adaptive platforms. The conversation quickly stalls because many schools in low- and middle-income countries lack the infrastructure. So, AI becomes something for well-resourced systems, and everyone else waits. © 2026 World Bank Group,