Most people believe that as house prices rise, this is good for home-owners. It seems obvious, that if you own something, and the price of that this rises, you become richer. You have made a profit.

But it is not true.

I cover the case where all houses increase uniformly. For example x → px where p>1 or x → x+Δx where Δx>0. Conversely if the price of your house is increasing while the prices of other houses are decreasing, you can indeed make a profit, and benefit from the price change.

When you buy something, then sell it for a higher price, you make a profit. But when you sell a house, you normally selling it to buy a most expensive house. So the profit is sunk into another asset. You can never obtain your profit in cash.

If the price of your house rises while you are living in it, then you sell it to buy a more expensive house (the usual case), then the price of the new house has also risen by at least as much. You would have been as well (or better) off if house prices has remained stable.

The people who can make money from housing inflation are people owning multiple houses, people who downsize, people who become homeless, the estates of people who die and have no children. Investment funds are the big beneficiary of housing inflation, because they are free to buy and sell all of their assets.

In fact if house prices were kept stable by progressive government policy (for example continuous adjustment of to mortgage term limits, loan-to-value limits, or property taxes, similar to what central banks do with interest rates) then investment funds would sell their housing stock in favour of more profitable assets. This would be an even greater benefit to society (including home owners) from stable house prices.

The biggest loser is of course first time buyers.

There are other effects. You could argue that governments benefit from increased taxes. Estate agents and solicitors benefit from higher fees.

The other winner is banks. The profit a bank makes from a mortgage is directly proportional to the price of the house. So banks benefit not from price changes but from maximising prices. (Banks benefit even more from high interest rates and long mortgage terms, at the expense of home-owners. But these factors also influence house-prices. So the above generally true but not a simple relationship).

The above is not a unique feature of the housing market. It is an example of inflation. As assets increase uniformly in value through inflation, it seems like asset holders are making profit. When you sell the asset you make more money, but money is useless unless you use it to buy another asset. The price of the new asset has also increased by the same amount. So the holder reaps no benefit from the increase. That’s why economists say that the value of the asset remained the same but the value of money decreased.

So this result for the case of housing is not surprising. It is an example of inflation at work.

The main effect of housing inflation is a transfer of purchasing power (and in the long run, of money) from people buying and selling houses to banks and investment funds.

  • viking@infosec.pub
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    1 year ago

    I cover the case where all houses increase uniformly.

    That’s a very questionable assumption however. While a general increase is possible, uniformity hardly ever exists in a real life scenario.

    But when you sell a house, you normally selling it to buy a most expensive house.

    Very bold assumption yet again. Many people buy a house for life, and sell it when they are retiring, live of their equity and rent or buy for a fraction of the money in a lower cost of living area.

    I’m not saying your observations are wrong, rather simplified to the point of being unrealistic.

    • Mojojojo1993@lemmy.world
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      1 year ago

      Yeah if expect a lot of the time you are selling once you’ve held an asset for a long time. You are looking to downsize. Family has grown up and now needs money to afford to buy in stupid housing market.

      Only people who benefit from house prices rising are those using homes as collateral and real estate. Both I’d prefer not exist.

    • roastpotatothief@lemmy.mlOP
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      1 year ago

      They are not assumptions. They are constraints. I’m limiting the scope of the argument to make it simpler to explain.

      The non-uniform changes could be discussed in a different article. Then the real changes are the sum of the uniform and the non-uniform. That would be a rigorous treatment. Here I’m instead just explaining the general principle.

      Many people buy a house for life, and sell it when they are retiring, live of their equity and rent or buy for a fraction of the money in a lower cost of living area.

      This is an interesting idea. The people who do this, who eventually sell and live in a nursing home or rent, they profit from an inflating housing market… But if they have children who then want to buy houses, they still lose, because their estate is devalued by inflation.

    • aelwero@lemmy.world
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      1 year ago

      The overall assumption is valid though, that a person needs a place to live… he did address downsizing and the like :)

      Reverse mortgage is a mechanism to pull that equity that wasn’t mentioned anywhere yet, but it’s fairly easily arguable that it’s still what they’re describing, a mechanism by which equity gets pulled from the average joe and transfers to the banks and investors…

      I don’t think his overall point is reduced much by the assumptions personally.

      I think the elephant in the room is the fact that the people getting raped by all of it are the ones who rent and can’t actually buy their own property though. Homeownership isn’t the fast track to riches it’s assumed/declared to be, but if you’re not a homeowner, you’re digging a hole financially that’s hard to get out of. Buying a property essentially puts you at the ground floor, so to speak.