I think if you're looking for proof you're setting too high a standard. But Seattle's experiment hasn't gone well AFAIK. Higher wages = less hours to go around = less money, less economic output, less investment, and so on.
"Relative to outlying regions of the state identified by the synthetic control method, aggregate employment at wages less than twice the original minimum—measured by total hours worked—declined."
On the other hand, taxing restaraunts with unhealthy food and forcing that money to go to low income workers maybe isn't so bad. I think NYC taxes soda directly for instance. Imagine if they forced that money to go to workers.
https://evans.uw.edu/faculty-research/the-minimum-wage-study... https://www.aeaweb.org/articles?id=10.1257/pol.20180578
"Relative to outlying regions of the state identified by the synthetic control method, aggregate employment at wages less than twice the original minimum—measured by total hours worked—declined."
On the other hand, taxing restaraunts with unhealthy food and forcing that money to go to low income workers maybe isn't so bad. I think NYC taxes soda directly for instance. Imagine if they forced that money to go to workers.