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Comment by hkmurakami

9 years ago

Per distance costs should be theoretically comparable? (Regulation costs and labor coming to mind as drivers of cost differences)

I was talking about the demand side / use more than the supply side / cost. But after a cursory examination of the statistics, Tokyo doesn't seem to have a measurably greater density by any common metric vs other cities.

So I suppose my above was wrong. I'd guess the more reliable enablers are only sufficient density, coupled with good geology and a cooperating regulatory / permitting structure.