Why are we here?
Leaving aside existential angst for once, another way of answering "why are we here?":
Highly readable summary: http://www.voxeu.org/article/are-towns-stuck-wrong-places
Rather more dense paper: http://www.economics.ox.ac.uk/materials/papers/13112/paper684.pdf
The links on the first page are interesting, too, if you're interested in how cities and urban populations evolve, but you might find yourself wondering where the week went. (It's Thursday already?!)
Highly readable summary: http://www.voxeu.org/article/are-towns-stuck-wrong-places
Rather more dense paper: http://www.economics.ox.ac.uk/materials/papers/13112/paper684.pdf
The links on the first page are interesting, too, if you're interested in how cities and urban populations evolve, but you might find yourself wondering where the week went. (It's Thursday already?!)