Or, for a really simple solution, tax the land. Not the structure built on it (well ... not much ... and you can often just tax that through the resources it c

Or, for a really simple solution, tax the land. Not the structure built on it (well ... not much ... and you can often just tax that through the resources it consumes). Not only are you taxing the asset that can't flee the country, and which the poor typically don't own, you also incentivise efficient land usage (it becomes too expensive to be a NIMBY).