Originally Posted by crockett

But you are missing the part that the places out side of Seattle will have to compete for workers vs Seattle. Why would anyone go to work at McDonald's in the town next to Seattle for $8/hr when they can just go to Seattle and get $15/hr?

You are thinking it only goes one way, but all the wages in that area will increase meaning shutting down to move to the next town over won't really work. They will either learn how to run a business and pay a livable wage to employees or they will go out of business.