By artificial I mean "different from a market outcome". There is quite clearly an asymmetry in information and market power between Wal-Mart and individual emp

By artificial I mean "different from a market outcome". There is quite clearly an asymmetry in information and market power between Wal-Mart and individual employees. This will inevitably lead to artificially low wages. So raising them with a law will return them to a free market level, where free market implies complete information, interchangeable goods and services, and lack of market power