Causality can't run from vet school being expensive to veterinary practices being profitable. It can only go the other way - profitable practices lead to school being expensive.
> Causality can't run from vet school being expensive to veterinary practices being profitable.
Yes, it can: expense of getting into the field limits competition.
Now, long-term steady-state eventually the market should adjust so that the people are willing to pay the up front cost because of the actual rewards, but real meaningful effects are often not long-run steady-state effects.
