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As data: every judged pair in this room (CSV). Each claim has its own address, /c/9f50a69fd356/<card>, listed under the map.
Credit when you publish: Causal map: True Causes, https://truecauses.org/d/9f50a69fd356
THE QUESTION

Why is housing unaffordable in our cities?

Public-record room. Its cards are claims people made in public discussion; where each was said is listed in the pool, under that claim. A panel of language models clarified the cards and judged the pairs: this map is how models structure what the public says, not what a group of people found. It counts only with other public-record rooms. Related research: tell a model who it is, and its causal judgements barely change, which is why this panel judges as itself, with no personas.
Links asserted in public discussion (1)
As the pool counted them: who asserted a link, who refused it. Compare them with the panel’s map; neither is a group’s verdict.
  • Local control laws allow anyone to stop development in others' yards. → Zoning irresponsibly near heavy transit restricts housing development. thin

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Unoccupied properties could be used for housing but aren't.
Vacant and underused properties could be converted into housing instead of remaining empty.
Nothing said yet.
Developers have an incentive to keep rents high overall.
High rents benefit developers financially, creating a disincentive for them to lower prices.
YIMBY policies economically pollute areas with an influx of investment
YIMBY policies can lead to increased economic activity and investment, potentially causing environmental degradation and gentrification.
The reason more isn’t being built is zoning.
There is so much demand and money that prices won't go down.
1 votesdiscuss
Transportation costs offset savings from living further from urban core
Living further out can eliminate any financial benefit from cheaper housing.
Cambridge lowers property tax for owner-occupied homes to incentivize residency.
Cambridge’s tax policy encourages people to buy and live in Cambridge.
1 votesdiscuss
House prices in the UK are high because of low supply and buoyant demand.
Limited housing availability combined with strong buyer interest drives up UK prices.
1 votesdiscuss
Companies prefer regional housing crises over investing in second tier cities.
Businesses avoid addressing housing issues outside major cities.
1 votesdiscuss
The previous Government made anti-supply changes to national planning policy.
The previous government’s changes reduced the amount of land available for new housing developments.
2 votesdiscuss
The city council refuses to allow low cost apartments or assist funding them
The city council’s stance prevents affordable housing projects from being built.
2 votesdiscuss
We are consciously limiting supply in the Seattle housing market.
Seattle’s policies are intentionally reducing the number of homes available.
3 votesdiscuss
House prices in outlying areas declined due to poor transportation.
Homes in areas with bad roads and transport are now cheaper.
0 votesdiscuss
New luxury apartments are bought by foreign investors who keep them empty.
Foreign investors purchase luxury apartments and leave them vacant, reducing available housing.
1 votesdiscuss
Housing relies on rising house prices to function in the UK.
The UK housing market depends on continuously rising property prices to sustain its financial model.
1 votesdiscuss
There are many under-utilized spaces for new construction in the Bay Area.
The Bay Area contains numerous under‑used parcels that could be developed for new housing.
1 votesdiscuss
People who work in the city can't afford to live there.
City‑based workers are priced out of local housing and must live far from their jobs.
1 votesdiscuss
Property rights give owners priority access to land.
Property rights grant owners the exclusive right to use and control the land they own, giving them priority over others in accessing that land.
The UK government has introduced policies that stimulate demand for housing.
The UK government has implemented policies that increase the demand for housing by encouraging construction, easing planning restrictions, or providing incentives for developers.
0 votesdiscuss
Proposition 13 limited annual property tax increases in California.
Proposition 13 caps the annual increase of property taxes in California, limiting them to a maximum of 2% of a property's assessed value or the change in market value, whichever is lower.
3 votesdiscuss
Resources for public transit are used for private car infrastructure.
Funds allocated for public transit are often redirected towards the development of private car infrastructure.
0 votesdiscuss
Governments encourage treating homes as savings vehicles with tax breaks.
Tax policies like mortgage interest and property tax deductions push people to view homeownership primarily as a way to build wealth rather than as consumption.
0 votesdiscuss
LA is too big and sparse for good mass transit.
Los Angeles's low density and sprawling layout make it difficult to build cost-effective, high-capacity public transit systems.
0 votesdiscuss
Housing shortages are treated as free money by incumbents.
People who already own housing benefit financially from scarcity, so they have little incentive to support new development that would ease shortages.
Residents voting may not want to change the system.
Homeowners and long-time residents often vote for policies that protect their property values, even if those policies worsen housing affordability for others.
2 votesdiscuss
High density development happens without necessary transit investment.
Dense housing is being built in areas where the transit infrastructure to support it does not yet exist.
1 votesdiscuss
American life is structured to require a car for transportation.
The layout of American neighborhoods, jobs, and services makes owning a car effectively mandatory for most people.
2 votesdiscuss
Housing prices in Seattle will only come down if there's a downturn in the tech industry.
Seattle housing costs are driven primarily by tech-sector demand, so they are unlikely to fall without a major economic shock.
0 votesdiscuss
Local control laws allow anyone to stop development in others' yards.
Local permitting and environmental review processes give nearby residents a practical ability to block or delay development projects.
1 votesdiscuss
NIMBY exists to protect most people's largest financial asset.
NIMBY is primarily concerned with preserving property values and preventing a decrease in housing prices.
2 votesdiscuss
Wallingford will be valuable and therefore expensive no matter what housing is built.
The unique character and desirability of Wallingford make it a valuable and sought-after location.
2 votesdiscuss
More housing units on the market reduces prices.
The law of supply and demand dictates that more housing units on the market will drive down prices.
5 votesdiscuss
Vermont lacks a labor pool to build new housing.
Vermont's labor market lacks a sufficient number of skilled workers to meet the demands of a large-scale construction project.
1 votesdiscuss
SF has a complicated review process that lets neighbors hold up permits indefinitely.
This process can lead to delays and inefficiencies in the development process.
0 votesdiscuss
Companies concentrate demand for housing in a few areas.
This scarcity of land has led to increased speculation and gentrification.
1 votesdiscuss
Prop 13 removes incentives for municipalities to approve new housing.
This policy affects not only new housing but also existing residents who may face increased housing costs.
0 votesdiscuss
The San Francisco Left is against creating more places for new people.
0 votesdiscuss
Bay Area cities only watch out for themselves, worsening housing issues.
Local governments prioritize their own short-term development over regional coordination, deepening Bay Area’s housing scarcity.
0 votesdiscuss
A lack of inventory is fuelling the housing market in St. John's.
0 votesdiscuss
Progressive politicians block projects while supporting cheap housing projects.
0 votesdiscuss
America adds 600k-1.2M immigrants per year, straining limited supply
Annual immigration growth outpaces existing housing, worsening shortages and rising prices in tight markets.
Deliberate policy turned homes into speculative assets and locked out a generation.
Government policies incentivized housing as investments rather than homes, pricing out younger buyers permanently.
4 votesdiscuss
Affordable housing programs often lead to higher overall prices.
Affordable housing programs can paradoxically increase housing prices when demand outstrips supply.
0 votesdiscuss
Tying housing to your largest investment creates perverse incentives.
Tying housing values to zoning restrictions encourages wealthy homeowners to prioritize property values over community needs.
1 votesdiscuss
Wealthy people want to restrict zoning to inflate their wealth
1 votesdiscuss
NIMBYs have broken traditional paths to adulthood and reduced mobility.
0 votesdiscuss
Tall buildings are why Tokyo is so affordable.
Tokyo's affordability is a result of having built upwards, increasing housing density.
0 votesdiscuss
A city's land is a scarce resource that cannot be doled out freely.
Since cities have a fixed amount of land, it is a scarce resource.
0 votesdiscuss
New housing marketed to foreign investors doesn't benefit locals.
0 votesdiscuss
High-cost cities have underprovisioned housing and exacerbated sprawl.
1 votesdiscuss
The main reason we don't have infinite housing is regulation.
Restrictive zoning and permitting rules are the main reason San Francisco cannot build enough housing.
More density leads to a downgrade in quality of life for residents.
Adding more residents or housing units can reduce privacy, open space, light, and neighborhood livability if infrastructure and design do not keep up.
1 votesdiscuss
Unoccupied properties could be used for housing but aren't.
Vacant and underused properties could be converted into housing instead of remaining empty.
There are illegal to build 5-8 story apartment buildings in SF.
San Francisco zoning generally prohibits new 5- to 8-story apartment buildings on many residential parcels.
0 votesdiscuss
Zoning irresponsibly near heavy transit restricts housing development.
Unplanned zoning near major transit lines can limit the availability of new housing developments.
0 votesdiscuss
Federally owned land limits options for city expansion.
Federal land ownership restricts the city's potential for expansion and development.
0 votesdiscuss
Rent control disincentivizes building new rentals, raising costs for new renters.
1 votesdiscuss
Tax disincentivizes boomers from buying real estate, reducing demand.
0 votesdiscuss
People living far from employment centers depend on driving cars.
Without accessible public transit, people must drive to work if they live far from jobs.
0 votesdiscuss
Prop 13 creates broken incentives for housing approval.
Prop 13's property tax rules discourage cities from approving new housing by reducing the financial benefit of development.
0 votesdiscuss
Corporate ownership of purpose built units is necessary for housing supply.
Large corporations can build housing at scale because they have the capital and risk tolerance to overcome development hurdles.
0 votesdiscuss
Working class homeowners have been pushed out by yuppies.
Rising home prices driven by demand from higher-income buyers have made homeownership unaffordable for working-class residents.
1 votesdiscuss
Building smaller housing can avoid luxury housing plateaus.
Building more small units stops the market from reaching a point where only luxury homes are viable.
0 votesdiscuss
Zoning is often abused to protect landowners' assets.
Zoning laws are often used by current owners to stop construction that would lower their property value.
1 votesdiscuss
YIMBYs ignore short and medium term consequences of their policies
YIMBY advocates focus on long-term outcomes while ignoring the immediate pain of rising rents and gentrification.
0 votesdiscuss
AirBnB/VRBO can only make housing prices go up.
Short-term rental apps remove homes from the local market, which inevitably drives up prices for residents.
1 votesdiscuss
People resist newcomers to maintain their standard of living.
0 votesdiscuss
Homeowners often oppose young people and racial minorities in neighborhoods.
0 votesdiscuss
Developers tend to build larger, costlier homes for better returns.
1 votesdiscuss
The UK has a restrictive planning regime that makes housebuilding difficult.
0 votesdiscuss
Zoning limits areas to single family homes, increasing housing unaffordability.
Zoning limits areas to single family homes, increasing housing unaffordability.
0 votesdiscuss
People impose rules that prohibit others from living in the city.
People impose rules that prohibit others from living in the city.
0 votesdiscuss
Raw materials were suffering a shortage as little as a year ago.
Raw materials were suffering a shortage as little as a year ago.
0 votesdiscuss
Sprawl leads to long commutes and poor quality of life.
Sprawl leads to long commutes and poor quality of life.
0 votesdiscuss