Economy
Canada can’t have fast population growth, housing supply constraints, and housing affordability

From the MacDonald Laurier Institute
By Steve Lafleur
No one wants to solve the housing crisis enough to make the hard choices.
It’s tempting to try to have it all and policymakers are not immune to this. There are tradeoffs in everything. Ignoring those tradeoffs might work for awhile, but eventually reality catches up to you. Try as we might, we can’t have it all.
For instance, we can’t have rapid population growth, housing supply constraints, and housing affordability all at the same time. We’ll call this the housing affordability trilemma.
The idea of a policy trilemma comes from the Mundell-Fleming model which is included in most introductory economics textbooks. The model was named after Canadian economist Robert Mundell and British economist Marcus Fleming, who developed the idea in the early 1960s. The basic premise of the model, also called the “impossible trinity” or “trilemma” is that you can have two of three policies, but not all three (namely, free capital flow, a fixed exchange rate, and a sovereign monetary policy).
The idea of an impossible trinity can and has been applied to other situations, like the euro crisis in the early 2010s, and provides a useful way of looking at seemingly intractable problems. Plotting the related problems on a Venn Diagram helps visualize the problem. Here is the Mundell-Flemming model, visualized.
(Source: Author’s creation, graphic recreated)
Now, let’s return to housing policy. Few Canadian problems are as intractable as the now nationwide housing affordability crisis. Rents are rising quickly, apartment availability is falling, and home prices are the highest relative to incomes in the G7. As we’ve shown in a recent paper for the MacDonald Laurier Institute, Canada’s population growth is outstripping housing growth. This, unsurprisingly, has undermined housing affordability. Let’s visualize this trilemma.
(Source: Author’s creation, graphic recreated)
At the root of Canada’s housing woes is a severe shortage of homes relative to the number needed. We simply don’t build enough homes to adequately house current and future Canadians.
Not only is there cross-party consensus that there’s a housing shortage, but most parties in provincial and federal elections have proposed policies aimed at addressing it. So why do we still have a shortage?
Let’s go through the elements of the Canada’s housing trilemma (or housing impossibility trinity).
The first element is a fast-growing population. Canada has the fastest growing population in the G7, and last year alone grew by more than a million people. Barring any major shifts in immigration policy, this trend is unlikely to change any time soon. Indeed, the population grew by 430,635 in the third quarter of 2023. That’s the highest quarterly growth rate since 1957.
The second element is restrictions on homebuilding. Whether intended or not, a suite of policies processes and regulations that prevent or limit the addition of more homes both in existing neighbourhoods and at the urban fringe. Barriers to density include local zoning bylaws, lengthy and uncertain consultation processes, and growth plans that exclude building or upgrading the infrastructure necessary to enable more homebuilding in existing neighbourhoods. Policies explicitly preventing the addition of homes outside of existing neighbourhoods include Ontario’s Greenbelt and British Columbia’s Agricultural Land Reserve, while softer versions include local planning targets limiting the share of development slotted to occur on city outskirts. Given these limitations, it’s no surprise that we’ve rarely surpassed 200,000 housing completions annually since the 1970s, while the rate of population growth has reached generational highs.
The third element is housing affordability. That is, the ability for individuals and families earning local incomes to comfortably meet their housing needs. This means shelter costs don’t prevent them from feeding and clothing themselves, but also allow saving and investing in an education, for instance. For example, some peg the cut-off for affordability at 30 percent of income. By that measure, a household would require an income of over $100,000 to afford a one-bedroom apartment in Vancouver, for example.
Whether we like it or not, we can’t have fast population growth, rigid housing supply constraints, and housing affordability all at the same time.
For most of our recent past, the choice we’ve collectively made is to accelerate population growth while maintaining many (if not most) restrictions on both outward and upward growth, meaning we’ve excluded the possibility of achieving broad affordability. The consequences? All the symptoms mentioned before: rising rents, falling vacancies, higher ownership costs.
Despite recent pivots by a growing number of local and provincial governments, the balance of housing and land-use policies remains firmly tilted against reaching the level of homebuilding we need to restore some semblance of affordability, which by some estimates means more than doubling homebuilding. To wit, housing construction has remained remarkably stagnant—even slightly declining—in recent decades. Even the bold changes to zoning recently passed in British Columbia, Ontario and Nova Scotia are unlikely to double the number of housing built provincewide.
But, as the housing trilemma suggests, there are alternative routes. If Canadians remain adamant about affordability, we can demand more meaningful reduction or removal of policies preventing a growth in housing supply, or we can demand a reduction in population growth, or both. These are not easy choices but ignoring them doesn’t make them go away. We need to build upwards, outwards, or both, in order to meaningfully increase housing production. We can’t say no to every solution and expect better results.
The point is, there’s broad consensus that Canada faces a housing crisis, and that major policy actions are needed to fix the problem. There’s also a tacit consensus that the policies feeding the crisis should remain in place.
To put it more bluntly, everyone wants to solve the housing crisis, but no one wants to solve the housing crisis enough to make the hard choices. Until we collectively shift our priorities, we are choosing to sacrifice housing affordability. We can’t have it all. If we insist on maintaining fast population growth and restrictions on supply, we’ll get the broken housing market we deserve.
Steve Lafleur is a public policy analyst who researches and writes for Canadian think tanks.
Bjorn Lomborg
Net zero’s cost-benefit ratio is crazy high

From the Fraser Institute
The best academic estimates show that over the century, policies to achieve net zero would cost every person on Earth the equivalent of more than CAD $4,000 every year. Of course, most people in poor countries cannot afford anywhere near this. If the cost falls solely on the rich world, the price-tag adds up to almost $30,000 (CAD) per person, per year, over the century.
Canada has made a legal commitment to achieve “net zero” carbon emissions by 2050. Back in 2015, then-Prime Minister Trudeau promised that climate action will “create jobs and economic growth” and the federal government insists it will create a “strong economy.” The truth is that the net zero policy generates vast costs and very little benefit—and Canada would be better off changing direction.
Achieving net zero carbon emissions is far more daunting than politicians have ever admitted. Canada is nowhere near on track. Annual Canadian CO₂ emissions have increased 20 per cent since 1990. In the time that Trudeau was prime minister, fossil fuel energy supply actually increased over 11 per cent. Similarly, the share of fossil fuels in Canada’s total energy supply (not just electricity) increased from 75 per cent in 2015 to 77 per cent in 2023.
Over the same period, the switch from coal to gas, and a tiny 0.4 percentage point increase in the energy from solar and wind, has reduced annual CO₂ emissions by less than three per cent. On that trend, getting to zero won’t take 25 years as the Liberal government promised, but more than 160 years. One study shows that the government’s current plan which won’t even reach net-zero will cost Canada a quarter of a million jobs, seven per cent lower GDP and wages on average $8,000 lower.
Globally, achieving net-zero will be even harder. Remember, Canada makes up about 1.5 per cent of global CO₂ emissions, and while Canada is already rich with plenty of energy, the world’s poor want much more energy.
In order to achieve global net-zero by 2050, by 2030 we would already need to achieve the equivalent of removing the combined emissions of China and the United States — every year. This is in the realm of science fiction.
The painful Covid lockdowns of 2020 only reduced global emissions by about six per cent. To achieve net zero, the UN points out that we would need to have doubled those reductions in 2021, tripled them in 2022, quadrupled them in 2023, and so on. This year they would need to be sextupled, and by 2030 increased 11-fold. So far, the world hasn’t even managed to start reducing global carbon emissions, which last year hit a new record.
Data from both the International Energy Agency and the US Energy Information Administration give added cause for skepticism. Both organizations foresee the world getting more energy from renewables: an increase from today’s 16 per cent to between one-quarter to one-third of all primary energy by 2050. But that is far from a transition. On an optimistically linear trend, this means we’re a century or two away from achieving 100 percent renewables.
Politicians like to blithely suggest the shift away from fossil fuels isn’t unprecedented, because in the past we transitioned from wood to coal, from coal to oil, and from oil to gas. The truth is, humanity hasn’t made a real energy transition even once. Coal didn’t replace wood but mostly added to global energy, just like oil and gas have added further additional energy. As in the past, solar and wind are now mostly adding to our global energy output, rather than replacing fossil fuels.
Indeed, it’s worth remembering that even after two centuries, humanity’s transition away from wood is not over. More than two billion mostly poor people still depend on wood for cooking and heating, and it still provides about 5 per cent of global energy.
Like Canada, the world remains fossil fuel-based, as it delivers more than four-fifths of energy. Over the last half century, our dependence has declined only slightly from 87 per cent to 82 per cent, but in absolute terms we have increased our fossil fuel use by more than 150 per cent. On the trajectory since 1971, we will reach zero fossil fuel use some nine centuries from now, and even the fastest period of recent decline from 2014 would see us taking over three centuries.
Global warming will create more problems than benefits, so achieving net-zero would see real benefits. Over the century, the average person would experience benefits worth $700 (CAD) each year.
But net zero policies will be much more expensive. The best academic estimates show that over the century, policies to achieve net zero would cost every person on Earth the equivalent of more than CAD $4,000 every year. Of course, most people in poor countries cannot afford anywhere near this. If the cost falls solely on the rich world, the price-tag adds up to almost $30,000 (CAD) per person, per year, over the century.
Every year over the 21st century, costs would vastly outweigh benefits, and global costs would exceed benefits by over CAD 32 trillion each year.
We would see much higher transport costs, higher electricity costs, higher heating and cooling costs and — as businesses would also have to pay for all this — drastic increases in the price of food and all other necessities. Just one example: net-zero targets would likely increase gas costs some two-to-four times even by 2030, costing consumers up to $US52.6 trillion. All that makes it a policy that just doesn’t make sense—for Canada and for the world.
2025 Federal Election
POLL: Canadians want spending cuts

By Gage Haubrich
The Canadian Taxpayers Federation released Leger polling showing Canadians want the federal government to cut spending and shrink the size and cost of the bureaucracy.
“The poll shows most Canadians want the federal government to cut spending,” said Gage Haubrich, CTF Prairie Director. “Canadians know they pay too much tax because the government wastes too much money.”
Between 2019 and 2024, federal government spending increased 26 per cent even after accounting for inflation. Leger asked Canadians what they think should happen to federal government spending in the next five years. Results of the poll show:
- 43 per cent say reduce spending
- 20 per cent say increase spending
- 16 per cent say maintain spending
- 20 per cent don’t know
The federal government added 108,000 bureaucrats and increased the cost of the bureaucracy 73 per cent since 2016. Leger asked Canadians what they think should happen to the size and cost of the federal bureaucracy. Results of the poll show:
- 53 per cent say reduce
- 24 per cent say maintain
- 4 per cent say increase
- 19 per cent don’t know
Liberal Leader Mark Carney promised to “balance the operating budget in three years.” Leger asked Canadians if they believed Carney’s promise to balance the budget. Results of the poll show:
- 58 per cent are skeptical
- 32 per cent are confident
- 10 per cent don’t know
“Any politician that wants to fix the budget and cut taxes will need to shrink the size and cost of Ottawa’s bloated bureaucracy,” Haubrich said. “The polls show Canadians want to put the federal government on a diet and they won’t trust promises about balancing the budget unless politicians present credible plans.”
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