My response was about the claim that OP is a health economist while not understanding where the bottleneck in the supply for doctors comes from. I believe you are incorrect as it pertains to doctor salaries. Demand is high and supply relatively low. That is true but this isn’t the only factor that goes into determining pay. That’s an overly simplistic view of things. Supply/demand does not account for everything in this situation. If med students came out of med school with zero debt then the healthcare industry could make being a doctor sufficiently lucrative with salaries that are smaller than they currently are. Lowering the salary a bit in this scenario would not lower supply. You should read about David Carr’s work.

> That's not how any labor market works. Your salary isn't determined by how much debt you rack up.

True, or else college dropouts from a private school will have higher incomes than a state school undergrad, which is not the case at all.

Primary care is a low paying job because nurses and PAs can provide primary care.