Worked for many other countries. Seems to be quite a bit cheaper for individuals and nations as well. Not sure if it will work on a state level though.
Only if CA can negotiate lower costs, especially pharmaceuticals.
and establish uniform pricing for services across the board
Not sure if that's totally fair, Califoria is very diverse. Rates that work in SF might not work in rural CA.
It's reasonably easy to establish pricing differences relative to land value costs to account for increased rent in the area. It's almost the same way the GSA determines Per Diem rates. https://www.gsa.gov/portal/category/100120