[roey2009]

I was not aware the social programs in Seoul were income trapped, like they are in the US.

Isn't this a case against extreme urbanisation? The human density in a lot of cities are way too high.

Another are the ridiculous housing prices. Is it a bubble? Will it pop? Will it decrease in my lifetime?

[svachalek]

Where else do they go, though? The classic alternative to city life is subsistence farming. Massive US style suburbanization requires a ton of resources for cars and roads and armies to keep the oil flowing.