Video summary
The video explores the dramatic divergence in housing outcomes between San Francisco after two major shocks: the devastating earthquake of 1906 and post-war migration in 1946. In both instances, a massive number of people suddenly needed homes, yet only the second event resulted in a severe shortage. The key difference lay in how prices were allowed to function; in 1906, free market forces enabled rents to rise immediately, which signaled builders to construct new housing and encouraged existing residents to economize or share spaces. Conversely, by 1946, rent control policies had frozen these price signals, preventing the necessary supply response and leading to a genuine crisis that California's legislature identified as its most critical problem.
The core argument presented is that today's national affordability crisis stems not from greed, speculators, or corporate landlords, but rather from extensive government regulations that artificially restrict housing construction. The video explains that since the 1960s and 70s, fears of overpopulation led to zoning laws in many American cities—such as limits on lot sizes, height restrictions, mandatory parking requirements, and urban growth boundaries—that cap building permits regardless of demand. Economists Edward Glaeser and Joseph Gyourko highlight that while the actual cost of materials and labor has remained relatively stable for decades, home prices have skyrocketed because these regulations act like a hidden tax, driving up land values to fill the gap between construction costs and sale prices in cities like San Francisco, Los Angeles, and New York.
The transcript further examines alternative solutions and why they often fail or create new problems. While some advocate for government-built public housing similar to Soviet-era models, experts note this leads to severe shortages of space and incredibly long waiting lists rather than solving the affordability issue. Additionally, rent control is dismissed as a counterproductive measure because it removes price signals that guide construction; when rents are capped below market rates, landlords withdraw units from the rental market by converting them to condos or living in themselves, reducing overall supply and driving up prices for everyone else who does not have protected status.
Ultimately, the video concludes that the path to affordable housing is simple: remove the artificial barriers erected by local regulations so that builders can respond naturally to demand. By allowing prices to reflect true construction costs without regulatory interference, high rents would signal new investment into building more homes, eventually bringing prices back down toward a sustainable level. The narrative emphasizes that this crisis was not engineered or caused by market failure alone but is the result of a thicket of rules written by governments over decades; unwinding these regulations and letting builders build freely offers the most effective solution to making housing accessible again for ordinary people across the nation.
Read the full video transcript
In 1906, an earthquake and the fires
that followed destroyed half of San
Francisco's housing.
40% of the population was suddenly
looking for somewhere to live.
This could have been a catastrophe,
but it wasn't.
The San Francisco Chronicle, a month
later, ran no stories about a housing
shortage.
Instead, it showed ads for flats and
houses for rent.
40 years later, in 1946, San Francisco
faced another housing shock.
Post-war migration pushed the population
faster than housing could keep pace.
Yet, this time, the city slid into a
genuine shortage.
California's state legislature called
the housing shortage the most critical
problem facing California.
Same city, similar shocks, but an
opposite result.
So, what changed?
In 1906, prices were free to rise.
Higher rents signaled builders to
[music] build and signaled everyone else
to economize. Take in a roommate. Use
space carefully.
In 1946, rent control froze that signal
in place. The price could no longer do
its job, so shortages followed.
Two future Nobel laureates, Milton
Friedman and George Stigler, answered
that question in a pamphlet titled Roofs
or Ceilings.
Today, there's a housing affordability
crisis and plenty of theories about
what's behind it. The greedy, the
speculators, the corporate landlords.
Some go further and blame the whole
setup.
Leave housing to private markets, they
say, and it will always price out
ordinary people.
>> [music]
>> Each theory makes a prediction you can
test. So, test it where the pressure is
highest.
San Francisco.
>> [music]
>> It's one of the two most expensive
rental markets in America, where a
one-bedroom now runs around $4,000 a
month, close to triple the national
median.
If greed or corporate ownership were
really driving rents this high, this is
where it should be impossible to miss.
But it isn't any of them. Not
billionaires, not the profit [music]
motive. The thing that actually moves
the price up is policy.
What the government does and doesn't let
people build. The good news is that the
problem is fixable.
>> [music]
>> First, the scale of the thing.
In the 1990s, the typical American
single-family home cost a little over
three times the median household's
yearly income.
In 1995, a family earning about $34,000
a year could buy a typical existing home
for around $115,000.
By 2024, according to Harvard's Joint
Center for Housing Studies, that ratio
had climbed to five, close to the
highest on record. The typical existing
home now sells for about $407,500
against a median household income of
roughly $84,000.
Since 2020 alone, home prices have been
up more than 50% and rents more than 30%
while prices overall rose about 25.
You already know that housing has gotten
more expensive.
But why?
Part of the answer is stranger than
you'd expect. As urbanist expert Addison
of building restrictions grew partly out
of the overpopulation
panic of the 1960s and 70s. The
neo-Malthusian fear, popularized by Paul
Ehrlich's The Population Bomb, that
there was simply too many people.
In Boulder, Colorado, for example, a
local zero population growth chapter
helped pass a 1976 plan that capped
building permits to hold the town's
growth to about 1.5% a year.
To neo-Malthusians, fewer homes meant
fewer people.
Absent those restrictions, a free market
would have told a different story. A
spike in demand raises prices in the
short run, but high prices are an
invitation. They signal to builders
there's money to be made. Capital flows
in, new housing gets built, prices come
back down.
In Build, Baby, Build: The Science and
Ethics of Housing Regulation, American
economist Bryan Caplan and Romanian
artist Adi Brânzei compare it to a game
of musical chairs
>> [music]
>> with a twist. After every round, someone
adds another chair.
The rich might grab the first new seats,
but keep adding chairs, and eventually
everyone sits.
The trouble is that American housing is
not a free market.
Not even close.
To build new housing in much of the US,
you have to overcome dozens of
obstacles. Zoning rules that ban
apartments across most residential land,
minimum lot sizes, height limits,
mandatory parking, urban growth
boundaries, historic preservation rules,
design mandates, impact fees, and
permitting reviews that can drag on for
months or years. Builders have to clear
every one of these before a single unit
goes up, and each one adds cost.
The Cato Institute's economists put hard
numbers on it in their Affordability
Handbook.
Mandatory parking minimums, for example,
can add $50,000 to a single apartment.
In cities that doubled their minimum lot
sizes, house prices rose 14% and rents
9. Permitting fees on an ordinary house
average over $7,000.
Impact fees can exceed $16,000. By one
estimate, more than 40% of the cost of
building an apartment complex traces
back to local regulation. And in the
most extreme markets, this hidden zoning
tax can reach half a million dollars per
quarter acre.
The cleanest way to see the damage comes
from American economists Edward Glaeser
and Joseph Gyourko. Their move is to
separate what a house costs to build
from what it sells for.
The actual cost of construction, land,
materials, labor, and normal builders
profit has barely moved in real terms
for decades.
Measured in constant dollars, a square
foot cost about the same to build in
2015 as it did in 1980. So, if homes
have become dramatically more expensive
while the cost of building them hasn't,
something else is driving the gap.
Glaeser and Gyourko call that gap a
regulatory tax. Go back to San
Francisco. By the mid-2010s, a modest
home there sold for around $800,000.
But, the cost to actually build it, land
included, was under 300,000. The
difference wasn't lumber or labor. It
was the land, bid up by the simple fact
that you're not allowed to build much on
it. And San Francisco is only the
extreme. By the same measure, the
typical Los Angeles home sold for about
double what it cost to build, and the
typical New York home for close to half
again as much, which brings us to the
most striking figure of all. In the
handful of cities where this regulatory
tax is largest, simply letting prices
fall back toward the cost of building
would cut housing costs roughly in half.
In their 2021 paper, economists Kevin
Corinth and Amelia Earvine estimate
rents in San Francisco could drop by
around 55% and in Honolulu by about 50,
with double-digit declines across the
rest. Nearly 40% in San Diego and well
over a third in Washington, D.C. Now,
maybe you think the answer is more
public housing and more direct help from
the government. The Marxist economist
Richard Wolff is a prominent voice for
that view. For Wolff, the deeper problem
is that we hand housing over to private
markets and the profit motive in the
first place. His answer is for the
government to step in, build and operate
housing directly, and set rents at
levels ordinary people can actually
afford. But, his ideas run into two hard
problems. The first is that we've run
this experiment before. The Soviet Union
made housing a state monopoly. The
result was the kommunalka, the communal
apartment, where several unrelated
families shared a single flat, one room
apiece, with a common kitchen and
bathroom. The official allowance was
around 9 square meters of living space
per person. And in Moscow, you couldn't
even join the waiting list for something
better unless you were squeezed into
less than about five. Nor was the wait
short. In Moscow and Leningrad, a decade
was ordinary, and 20 years was, by one
contemporary account, the general rule.
The second problem is subtler. If you
fund housing assistance but refuse to
deregulate, you make your own program
vastly more expensive. Corinth and
Irvine also have an answer for that.
Federal rent assistance works by having
tenants pay about 30% of their income,
with the government covering the rest.
When regulation pushes the market rent
up by a dollar, the government's bill
rises by a dollar, too. Washington
already spends more than 50 billion
dollars a year on rental aid, and even
so, only about one in four eligible
families actually receives it. Millions
more sit on waiting lists. And just
because the government can set arbitrary
rents doesn't mean costs magically
disappear. Public housing often ends up
consuming even more resources from the
economy to cover the very expenses the
government created in the first place.
But why don't we just control rents?
It's the most popular fix, and perhaps
the worst one.
It keeps coming back because it sounds
like it goes straight at the problem.
Rents are too high, so cap them.
But it fails for the same reason it
failed in 1946. Prices are signals. Rent
controls jam them. Without those
signals, consumers and entrepreneurs
lose the information they need to act.
Rent also puts owners and would-be
tenants at odds. When rents are set
below market equilibrium, owners become
less willing to rent out their
properties, while more people rush to
find a place. Frustration follows on
both sides of the market. Economists
usually illustrate the long-run effect
with a supply and demand diagram. Over
time, the supply of housing becomes more
elastic, meaning owners and builders
become more more to price changes.
In the short run, it is difficult to
convert residential buildings to other
uses. In the long run, that becomes
easier. As more housing is withdrawn
from the rental market, the problems
rent control created only get worse. In
1994, San Francisco expanded rent
control to cover small older apartment
buildings. Economists Diamond, McQuade,
and Khan tracked what followed.
Landlords pulled about 15% of the newly
controlled units off the rental market,
converting them to condos, redeveloping,
or moving in themselves.
As that supply vanished, rents citywide
rose about 5%. The lucky tenants who
held controlled units stopped moving.
Turnover fell by 10 to 20%. A policy
meant to make housing affordable made
the city more expensive for nearly
everyone outside the lucky few.
So, come back to where we started. To
the two San Franciscos.
In 1906, a city lost half its homes
overnight and shrugged it off because
prices were free to call forth new
building. In 1946, a far smaller shock
became a crisis because we tied the
market's hands.
That's the story of the housing
affordability crisis, 80 years later and
on a national scale.
It's not a failure of capitalism, and no
one engineered it on purpose. It's a
thicket [music] of rules the government
wrote for us, and rules can be
unwritten. The answer to more affordable
housing is simple: let builders build.
The housing market isn't as competitive
as it could be because the government
has raised artificial barriers to entry.
Those barriers stand between you and the
home of your dreams. Economics shows us
the tools we need to tear them down.
>> Hey, you want a shot at a million
dollars? Okay, great. Take this 3-minute
quiz on why America's less affordable.