Without commenting on Singapore, many countries have no minimum wage without negative consequence. It can be substituted with strong unions or social programs. In fact minimum wage is kind of a blunt instrument. People often say that everyone should be paid a living wage, but a living wage for a single mom with four kids is much higher than a living wage for a highschooler who lives with his parents. A minimum wage high enough to guarantee the mom a living wage would almost certainly make illegal many job opportunities the highschooler would love to have. I would prefer the government guarantee everyone a dignified life rather than try to use the minimum wage (which fundamentally only affects working people, not everyone)