The Volokh Conspiracy
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Cross-Ideological YIMBY Coalition Defies Increasing Polarization - So Far
The New York Times and the Atlantic report on how the movement to curb exclusionary zoning and build more housing has managed to cut across ideological lines.

The New York Times and Atlantic writer Jerusalem Demsas both recently published articles on how the YIMBY ("Yes in my backyard") movement has cut across ideological and partisan lines in an era where such divisions have engulfed most other policy issues. The Times headline calls it "The Surprising Left-Right Alliance That Wants More Apartments in Suburbs":
For years, the Yimbytown conference was an ideologically safe space where liberal young professionals could talk to other liberal young professionals about the particular problems of cities with a lot of liberal young professionals: not enough bike lanes and transit, too many restrictive zoning laws….
But the vibes and crowd were surprisingly different at this year's meeting, which was held at the University of Texas at Austin in February. In addition to vegan lunches and name tags with preferred pronouns, the conference included — even celebrated — a group that had until recently been unwelcome: red-state Republicans.
The first day featured a speech on changing zoning laws by Greg Gianforte, the Republican governor of Montana, who last year signed a housing package that YIMBYs now refer to as "the Montana Miracle…."
Day 2 kicked off with a panel on solutions to Texas's rising housing costs. One of the speakers was a Republican legislator in Texas who, in addition to being an advocate for loosening land-use regulations, has pushed for a near-total ban on abortions.
Anyone who missed these discussions might have instead gone to the panel on bipartisanship where Republican housing reformers from Arizona and Montana talked with a Democratic state senator from Vermont. Or noticed the list of sponsors that, in addition to foundations like Open Philanthropy and Arnold Ventures, included conservative and libertarian organizations like the Mercatus Center, the American Enterprise Institute and the Pacific Legal Foundation.
Demsas makes similar points:
Over the past four years, as the affordability crisis has worsened, the YIMBYs have gained ground. In conservative Montana, an anti-California message spurred lawmakers into passing pro-development bills; in Washington State, ambitious proposals were passed in the name of affordability and racial equity. But members face pressure on both sides to abandon ship. How long can they hold on?
One reason the YIMBY movement has remained bipartisan is that it's decentralized. But the gang gets together periodically for a national conference amusingly called "YIMBYtown"—the rare place where you might find socialists, centrist economists, and Trump-supporting elected officials all in the same room, working toward the same goal.
I have been writing about cross-ideological agreement on this issue for years. Housing deregulation is a cause that unites a wide range of economists and land-use experts across the political spectrum. Thus, I - a libertarian property rights scholar - end up in the same boat with liberals like Richard Kahlenberg and Paul Krugman, and conservatives at the National Review.
Prominent political advocates of zoning reform include Virginia Republican Governor Glenn Youngkin and Colorado Democratic Governor Jared Polis. Gov. Polis captured the broad appeal of housing deregulation well, when he said recently that "[i]t's a solution to housing costs that embraces our individual property rights…. The fact that it's meeting a real need that people from the left to right, the center, no matter where they are politically, want to do something about high housing costs is really what makes it even more salient."
In a forthcoming Texas Law Review article, Josh Braver and I explain why the constitutional case against exclusionary zoning can also cut across ideological lines. I'm a libertarian originalist; Braver is a progressive living constitutionalist. But we both agree that exclusionary zoning violates the Takings Clause of the Fifth Amendment.
Of course, the opposing side in this debate - the NIMBY ("Not in My Backyard") forces - also cuts across ideological lines. It includes left-wingers suspicious of capitalism and development, and right-wingers - including Donald Trump - who play on fears that deregulation will lead more poor people and minorities to move to white suburban neighborhoods. There are also many NIMBYs who believe - contrary to basic economics - that allowing developers build more housing will actually drive up costs rather than increase them. Others who fear that it will reduce property values and change the "character" of their neighborhoods. For some progressive homeowners in the latter camp, narrow self-interest trumps ideology. In reality, many existing homeowners have much to gain from housing deregulation, especially if they have children. But many either don't know that, are highly risk-averse, or both.
If I had to speculate on what really unites YIMBYs across the political spectrum, and divides them from their opponents, I would suggest that one big factor is that YIMBYs generally understand Economics 101 and apply it to housing issues. They know that increasing supply by allowing more construction reduces costs, and thereby also increases the availability of homes - especially to the poor and disadvantaged. NIMBYs, by contrast, tend to ignore or deny this.
More generally, YIMBYs are less likely than NIMBYs to see the economy as a zero-sum game where some people can only gain at the expense of others. Thus, they recognize that letting developers build more housing and letting more people "move to opportunity" benefits not only the developers and migrants themselves, but also the rest of society, which has much to gain from the resulting boost to productivity and innovation. Zero-sum thinking is at the root of many political divides, and likely plays a significant role here, as well.
I don't claim zero-sum thinking and economic ignorance are the only factors at work. As I've emphasized before, you can be a highly knowledgeable, logically consistent NIMBY if you are highly risk-averse and elevate preservation of the current "character" of your neighborhood over such concerns as protecting property rights, creating opportunity for the poor, and increasing growth and innovation. But NIMBYism would be a far less powerful political force if it were limited to people who think that way.
You can also reach NIMBY conclusions if you endorse complex "market failure" theories, which essentially hold that Econ 101 doesn't apply to housing. But then you would need to confront overwhelming evidence indicating that areas with little or no zoning (most notably Houston) have far more affordable housing, even in periods when demand goes up, because many people want to move there.
For the moment, YIMBYism remains a valuable cross-ideological coalition, one that has managed to score some important successes, despite also suffering some setbacks. Whether it can continue to defy the forces of polarization remains to be seen.
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I'm highly skeptical that economic arguments actually drive any of this. All that really matters is that the economic arguments are sufficiently complex to let normal people (ie people without formal economic training) pick whatever position they want without feeling they are being too hypocritical.
So if you're a progressive with a great house up in the Oakland hills you can still tell yourself you aren't a greedy rich person when you oppose building.
I mean obviously the economics matters to the policy wonks and that influences people indirectly but I don't think it's quite the story you suggest.
obviously the economics matters to the policy wonks and that influences people indirectly but I don’t think it’s quite the story you suggest.
Yes.
Take a shot everytime Somin manages to slide in another extraneous Trump reference in a random article. Rent free.
Take a shot everytime Amos manages to slide in his certainty that every random negative Trump reference is about him. Rent free.
I would suggest that one big factor is that YIMBYs generally understand Economics 101 and apply it to housing issues. They know that increasing supply by allowing more construction reduces costs, and thereby also increases the availability of homes—especially to the poor and disadvantaged. NIMBYs, by contrast, tend to ignore or deny this.
I don't buy this. Remember, economics is about preferences. It is possible for someone to fully understand the supply/demand logic, yet be a NIMBY, because they prefer the status quo, even if you can convince them that there will be some economic benefits from new construction.
Also when most people talk about the housing issue they are mostly interested in telling a story about who deserves blame not policy recs for fixing it. If you want to blame the well to do suburban baby boomers with their big houses they bought cheap or the damn overegulating liberals you tell one story. Sure it happens to be the correct one about exclusionary zoning and other barriers to building but the average advocate has no more delved into the economic theory than the person endorsing market failure theories. They just want to tell a story that blames big developers.
What keeps it a bipartisan coalition is that both conservative and lefty YIMBYs can identify a villain they feel comfortable with.
Sounds more like YIYBY to me.
"and right-wingers—including Donald Trump—who play on fears that deregulation will lead more poor people and minorities to move to white suburban neighborhoods."
I, by the way, live in a relatively poor and mixed race suburban neighborhood, but all the high density housing springing up around us is definitely degrading our poor, mixed race lives. It isn't just wealthy white people who like living in suburbs, after all.
"and elevate preservation of the current "character" of your neighborhood over such concerns as protecting property rights,"
You might consider that somebody who deliberately moved into a neighborhood with a particular character maintained by zoning could consider that character part of what they'd paid for, and the effort to abolish it as an attack on their former property rights.
"You might consider that somebody who deliberately moved into a neighborhood with a particular character maintained by zoning could consider that character part of what they’d paid for, and the effort to abolish it as an attack on their former property rights."
Bingo.
When their vision of state-protected "liberty" results in what amounts to a "taking" the libertarians simply ignore it because it can't be categorized under their narrow views of liberty and the good.
It's really a childish philosophy.
You could consider lots of things, but not all of them accurately. Telling another person what that other person can do with his own property is literally the antithesis of property rights.
Look, I'm hardly a 'commi-tarian', but the bundle of rights that we call 'ownership' can be assembled in different ways.
Somin recognizes that in regards to HOAs, which are typically MUCH more intrusive than government zoning. Here's him approvingly quoting an essay by Caplan on the topic.
"Upshot: In the real world, HOAs are almost always founded not by homeowners coming together, but by the initial developer. How? Developers create HOAs by imposing three conditions of the sale on each and every original owner:
The buyer agrees to submit to the authority of the HOA.
The buyer agrees to require the next owner to agree to (1) if they ever sell their home.
The buyer agrees to require the next owner to agree to (2) if they ever sell their home.
As a result of these carefully-crafted contractual conditions, 100% of the members of the HOA—past, present, and future—consent to belong.
In stark contrast, local governments essentially never start with unanimous consent. Usually you're lucky if they even start with majority support…."
Here's the thing, though. While HOA's theoretically start with unanimous consent, (In reality, the developer unanimously agrees with himself, and every buyer just signs in resignation after confronting the fact that ALL the local developers did the same; New non-HOA houses are very hard to find!) the situation is exactly the same for anybody who buy's into a community that already HAS an existing zoning scheme. Sure, maybe the farmer who owned the field my house was built on, back in the 70's, didn't consent to the local government's zoning scheme, but everybody who bought one of those houses, for generations, did.
And, in this century, the ACTUAL imposed zoning change locally was the one that authorized the high density housing, shattering those long standing expectations.
So here I am, in a nice sleepy bedroom community, which I settled in precisely because of that zoning enforced character. The ambitious local government decides to take some parcels and change the zoning to multi-family. The local population DOUBLES!
Traffic is a nightmare now, and there's no ROOM for widening the roads unless the local government starts condemning property, which it has been doing like mad in preparation for a road expansion spree.
Property taxes are going up, because while the high density housing increased tax revenue, (The goal of approving it!) it increased costs more.
But the local government, which aspired to bigger things, is happy. And so is Somin, because another suburb bites the dust.
Actually there are ways to avoid an HOA. Either purchase a home in a more rural area, or purchase land in a rural area and build yourself instead of looking for place some developer pre-made.
The extra 20 or 30 minutes commute saves a lifetime of frustration and domination.
It's not that I don't want to be surrounded by minorities moving in, I don't want to be surrounded by ANYONE moving in.
Or, as we did, buy a 50 year old house in an old, pre-HOA neighborhood of the sort Somin wants to destroy.
I have to agree with Brett here. It is also a cross-ideological desire that the character of one's chosen neighborhood not be degraded and destroyed by rampant development. As Mr. Nieporent points out, one doesn't have an individual legal right to tell others what they can do with their property. But one certainly does have the right to support local politicians who will pass zoning laws that Prof. Somin hates. And it's much easier for people to see the effects of development on neighborhoods around them, than it is to understand the long term effects of exclusionary zoning.
"More generally, YIMBYs are less likely than NIMBYs to see the economy as a zero-sum game where some people can only gain at the expense of others. Thus, they recognize that letting developers build more housing and letting more people "move to opportunity" benefits not only the developers and migrants themselves, but also the rest of society, which has much to gain from the resulting boost to productivity and innovation. Zero-sum thinking is at the root of many political divides, and likely plays a significant role here, as well."
We've had a 3-year plus real world exercise in your beliefs.
It has worked out exceptionally poorly. Adding in tons of new migrants does not benefit any city that deals with it. No city wants them (Biden had to fly hundreds of thousands around the country secretly).
When do you reconsider if maybe, just maybe, your preferences are bad policy? Or, like Communism, is this not REALLY open borders?
Somin fails to accept that, while some of the things he advocates might increase the total size of the pie, (so, not zero sum) the people whose piece gets shaved down don't get an extra piece of the now larger pie, so they have no economically rational reason to prefer the larger pie with themselves rendered worse off.
This goes through all Somin's thinking. Total wealth goes up if you allow third world immigrants free entry into the US. This doesn't mean that the majority of people already in the US can't become worse off; Just because there's a surplus generated doesn't mean THEY get a cut of it!
He feels no economic threat for his beliefs.
It is easy to say "Well, this is the best decision" if it will not negatively impact you.
Just like I doubt Somin would support an outright removal of ALL government funding from higher education.
Professor Somin and I both live in Arlington, Virginia, in neghborhoods that do not have an HOA. The problems with "upzoning" in Arlingon, and in most other communities where upzoning is thought to be desirable, are:
1. Any reduction in housing costs is relative (the cost of new housing might be mariginally lower than it would have been without upzoning), and de minimis, because 90+% of the value of the SFHs being replaced is in the land, and the replacement housing will certainly include (for marketability reasons) high-end finishes and amenities that are not consistent with "affordable" or even "workforce" housing.
2. More residents impose additional costs for schools, roads (or traffic congestion), storm water management, loss of tree canopy, and safety (more on-street parking on narrow residential streets) that weren't discussed before upzoning was adopted. The last three elementary schools built by Arlington County have been shoehorned next to existing achools or other community facilities. There is no more undeveloped land for the County to buy.
3. Because Arlington is allowing 4-plexes and 6-plexes, most new housing units will be one- or two bedroom rental units, of which there is no shortage in Arlington, and which are quite different than the so-called "missing middle" housing (duplexes and townhouses) that were the original selling point for upzoning. A classic "bait and switch."