alt Hacker NewsThe housing market in the US is extremely competitive. Major cities have hundreds of thousands if not millions of competing landlords and a similar number of owner-occupied units.
The supply constraint isn't that Comcast and AT&T each own half of the land and you can only get it from one of them, it's that the government effectively prohibits building more, so all the competing construction companies who want to increase supply because that's what makes them money are unable to do it because it's prohibited by law.
> Why would a homeowner support zoning reforms?
Because zoning reforms that allow higher density may lower the value of the house but increase the value of the land, and homeowners of single-family homes have a high ratio of land to house. And because they lower cost of living and lower crime and they like paying less for things and not getting robbed.
Or because they have a small house but need a bigger house, and then higher prices hurt them. Or because they have a bigger house and need a smaller house, in which case they're about to sell it and it's better for them to add a bunch of developers to the bidding who want to build more on the lot and then cash out before the new developments come onto the market. Or because they live in city B and want to move to city A where housing is more expensive, and then they would support state or national-level policies to reduce housing scarcity for the same reason as the person who needs a bigger house.
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It’s a magical policy under that makes better off both the owner of a small house who needs a bigger house and the owner of a large house who needs a smaller house.
If the owner of the large house would be better off by the presence of bids by developers, wouldn’t that tend (strongly) to work against the interests of the owner of the small house seeking a larger house?
It might work to help the owner of a small house who wants to move into a larger apartment or condominium.
They are competing, but not for the customer but for the land, which appreciates. Remember, there are different forms of competition.
The "supply constraint" is that the landowners don’t want to change zoning laws, and that space around big cities is limited. The government doesn’t act of it’s own initiative, it represents people.
If your logic held, it should be the homeowners pushing for density. Real world disagrees with your assessment, but you seem to be doubling down on it.
Why not update your model?
> Because zoning reforms that allow higher density may lower the value of the house
For most detached single family homes in in-demand areas where housing (and thus sustainable population) are constrained by the supply of housing units, they probably won't do that, either; not only will they increase the land value, the fact that they increases population while decreasing the supply of ainglet-family homes will drive up the price of existing single family homes.
What it does, though, is reduce the use value (experienced utility of use) for current owner-residents for whom the particular local character is a factor in enjoyment, and make alternative replacements with the quality that is now missing from the current home that are in the same area (and thus compatible with existing jobs, etc.) harder to find, as well.