The fundamental problem comes from the fact that the value of land in a center of a city is O(n^2) on the number of inhabitants. The only option is to limit the

The fundamental problem comes from the fact that the value of land in a center of a city is O(n^2) on the number of inhabitants. The only option is to limit the influx of people in the city either by carrot or by stick. Managing the size of cities is something that the government should be more involved in to get to optimal for the state situation. There are cases where 30 or 40 percent of the population is in the capital of a country. That is not a country that is a city state with extra steps.