this doesn't make sense. so why do usa companies hire contractors then? I worked as a contractor for decades and made 150% what perm employees made.
did you account for rsu value too or just basepay/hours . now that i am a perm employee a big share of my comp comes from rsu.
E.g. the entire I-9 thing and other IRS paperwork, who (if anyone) is responsible for various insurances (unemployment insurance, workers comp, liability insurance, etc), minimum wage and overtime for hourly employees, etc. Many things depend on this distinction.
I can't speak to differences from Europe as I am not familiar with that side of the Atlantic.