Not going to read through 20 pages but I'll chime in my piece. I'm not American but I am Canadian and we've also been having this conversation, and it's particularly relevant now that both Ontario and Alberta have now committed to $15/hour by 2019.
At first I was very skeptical about this, the logical conclusion simply seems to be business will have to raise their prices to compensate and essentially the whole exercise will have made no difference. And I suppose this is still a possibility, with perhaps short-term job losses (the market will undoubtedly adjust quickly though) but there seems to be little downside to giving it a try and just seeing if it will work. That being said I'm glad I'm living in a province that's not doing it so I can see how it works there before the we jump on board.