“The standard urban model has shown us that the price of land in large cities is similar to the gravity field of large planets that decreases with distance at a predictable rate. Ignoring land prices when designing cities is like ignoring gravity when designing an airplane.”

“The standard urban model has shown us that the price of land in large cities is similar to the gravity field of large planets that decreases with distance at a predictable rate. Ignoring land prices when designing cities is like ignoring gravity when designing an airplane.”

— Alain Bertaud