Minimum wage is difficult to accomplish due to forex fluctuations and wide variations in relative purchasing power. Maybe an international rule requiring a minimum wage pegged to a local CPI basket?

But then, I suspect multinationals would still find a way to arbitrage to the detriment of low-skill workers.

So you would rather have people who lack any skills that are worth minimum wage, starve instead of being able to work for less than minimum wage?

I'd rather people who cannot take care of themselves get welfare. The concept of a skill being with less than the minimum wage is saying as a society we can tolerate exportation, and perhaps slavery