Earlier quoted context omitted.
This seems like an argument that can be used to argue that shortages cannot exist for anything you can buy. The same rough argument could be used to argue that food shortages cannot exist. I'm pretty sure the word shortage already implies that there is a shortage at the market price, not at an arbitrary price.
> I'm pretty sure the word shortage already implies that there is a shortage at the market price "Shortage at the market price" seems to be a somewhat incoherent concept. The market price is the price point at which the supply and demand curves intersect. Other than a discontinuity in either supply or demand such that the curves pass without intersecting (which makes the market price ill-defined), demand equals suppl…
We're pretty comfortable talking about shortages in consumer markets when we would buy things at the stated price, but can't because it is sold out (eg Pixel phone shortages), so I'm not sure why we can't say a similar thing about labour.