The developer in Lagos has theoretical access to the same model as the engineer in San Francisco. She also needs electricity that does not cut out three times per day; internet bandwidth sufficient to support data-intensive interactions; hardware, at minimum a modern laptop; the educational background that produces the capacity for judgment; and all of these in an environment where the cost of each, relative to local wages, is multiples of what it would be in San Francisco. Segal acknowledges these barriers briefly in You On AI. Landes's framework demands a fuller reckoning, because the history of technological transitions shows that access disparities at the outset of a transition do not naturally narrow over time — they compound.
The mechanism is straightforward. A technology that amplifies capability disproportionately benefits those who have the most capability to amplify. The knowledge worker in San Francisco was already more productive than the knowledge worker in Lagos before AI; after AI, the gap widens exponentially, because the infrastructure to support intensive AI use does not exist equally. The productivity gap widens. The wealth gap widens with it. The wealth gap determines capacity to invest in the infrastructure that would close the access gap, producing a self-reinforcing cycle.
Landes's answer, refined across decades of comparative development studies, was that the digital divide cannot be closed by technology transfer alone. It requires simultaneous investment in three layers: physical infrastructure (connectivity, electricity, hardware); educational infrastructure (the broad-based cultivation of cognitive competencies that make AI use productive); and institutional infrastructure (legal frameworks, professional norms, organizational practices that channel AI capability toward locally relevant problems). Each layer depends on the others, and the international development system is worst at delivering simultaneous, coordinated investment.
Landes's geographic conditioning argument is developed most fully in The Wealth and Poverty of Nations, drawing on comparative analysis across tropical versus temperate, landlocked versus coastal, and fragmented versus contiguous geographic settings.
Geography conditions, does not determine. Starting disadvantages are real; they can be overcome by institutional effort but do not disappear because one wishes they would.
Access is not capability. Theoretical AI access means little without the infrastructure — physical, educational, institutional — that makes access productive.
Compounding divergence. The AI amplifier widens existing gaps exponentially unless deliberate, sustained investment closes them.
Three-layer prescription. Physical, educational, and institutional infrastructure must be built simultaneously; investment in any one without the others produces incomplete capability.