I dont know why are you complicating this. First of all the shortage is only some specific sectors like STEM or schools in poor areas.[1] So the question you

I dont know why are you complicating this. First of all the shortage is only some specific sectors like STEM or schools in poor areas.[1] So the question you should ask is why is there a shortage in some areas, it's because teaches are not being paid well so the supply is dwindling. This is exactly how the free market works. The next question you should ask is why did salaries for teachers kept going down. There might not be a shortage aspiring hedge fund managers but there is shortage of fund managers which good historical track records so the good ones get lot of investment money. [1]: https://www.brookings.edu/wp-content/uploads/2017/04/es_20170426_understanding_and_addressing_teacher_shortages_in_us_pp_dee_goldhaber.pdf https://www.brookings.edu/wp-content/uploads/2017/04/es_2017...