You write: "Yes, resource usage may be greater per capita in the suburbs, but the most expensive resource in most cases is space/land and it is very, very expe

You write: "Yes, resource usage may be greater per capita in the suburbs, but the most expensive resource in most cases is space/land and it is very, very expensive in urban cores." As I have said repeatedly, my focus was not on cost but on resource use. Cities use land more efficiently than suburbs. Nowhere did I say that cities were cheaper than the suburbs. I said that the cities were pricier than the suburbs. The cost and the resource use are 2 different things. In fact, you could argue that land in a city is more expensive precisely because the land is being used more efficiently. Per capita, a city uses less land than the suburbs. This is almost definitional. A city is efficient in its use of land. Land is an important resource. This is an example of how cities are more efficient in their use of resources.