> The problem is just that people want to live in the cities, and there just isn't a lot of space in the cities. People will live where they can find jobs, and

> The problem is just that people want to live in the cities, and there just isn't a lot of space in the cities. People will live where they can find jobs, and the very concentration of people brings in even more jobs to cities. As much as some cite the amenities of large cities to stay, a very large portion of the retiring population move away as soon as they don't need to work anymore.