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Zillow tells landlords they are "losing money" if their rent is less than similar apartments in the same area, while also telling the landlord they are "the market leader" when they have the highest rent in an area. I bet in a more fair world, that little mechanism would be illegal.


Housing is a bad example because there’s not enough supply for competition to work, so prices can become arbitrary without rent control.


There are currently 28 vacant homes for every one person experiencing homelessness in the U.S.

https://unitedwaynca.org/blog/vacant-homes-vs-homelessness-b...


You don't need a house somewhere in the US, you need one in a job market where you can support yourself. Remote jobs are still rare, and long term I don't think they will pay well.


You think price discovery in general would be illegal? Or just a conditional message about it?

A gas station owner doesn’t (and IMO shouldn’t) have to block their eyes when they drive by competitors.


So what do we do if price discovery zeros out consumer surplus because pricing based profit maximation by competitors creates synthetic oligopoly or monopoly pricing? Move to auctions everywhere? Something else?

I have yet to see a good answer to that.


To use your analogy, the gas station owner would have to drive by every competitor in their city, as well as all the neighboring cities, as well visit every similar populated city in their country to get the same information. A service that tells sellers what they should charge is what I don't like. I seriously expect in many situations, these "price aggregators" are probably corporate subsidiaries of the market leaders.


They’d have to do that iff someone would consider buying gas 50 or 500 miles away as a reasonable substitute for buying gas from them.

> A service that tells sellers what they should charge is what I don't like.

Is it only the “tells sellers what they should charge” part that you specifically object to (the conditional messaging) or do you also object to the lesser “tells sellers what others are charging”?


> only the “tells sellers what they should charge” part

that, and when they inform the seller they use emotionally loaded language implying "if they are not the market leader, they are leaving money on the table, like a fool." Yes, the service consumer has to be a little manipulable for such mechanisms to work, but they do, nearly all the time.


In Canada there is a grid, and the affluence of each grid impacts the price of gas sold in that grid. You can have swings of 20¢/L from one side of the tracks to the other - all sold by the same chain, fueled by the same trucks equidistant from the depot.




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