They certainly have had that effect in Norway: https://www.brusselsreport.eu/2024/09/11/the-failure-of-norw...
> Four Norwegian entrepreneurs have commissioned yours truly, Dr. Laura Melusine Baudenbacher and Professor Dr. Dr. Mads Andenas to write a comparative law study on the Norwegian wealth tax. This report will be the basis for a class action against the Norwegian state.
I assume the fact it’s submitted to a court will dissuade the authors from making totally unsubstantiated claims, but it still seems like there’s a strong financial incentive for them to reach negative conclusions about the tax.
The loss of the richest man in the village might mean the baker now has to kowtow his prices to his less well-to-do neighbours again
That said I wish we would take a look at spending before we just keep raising taxes and then a year later saying "how are we gonna get even more money?". California has an insane amount of wealth per person and one of the highest state tax rates. Can they really not figure out how to operate with their current budget?
https://worldpopulationreview.com/country-rankings/happiest-...
Extending their taxation or economic system to a larger, more populous, diverse, and economically fractured society would lose most of the reasons they're succeeding.