I'm not really sure how to go about handicapping the finalists.
Given the current political climate, Toronto is interesting because it's the only city that gives Amazon some escape form the US government.
You'd want:
- an international airport so you can get to Beijing, London, etc on a single flight. This might eliminate the smaller cities.
- a strong existing tech workforce and universities.
- land in the downtown core to build on, this might eliminate New York?
- perhaps you'd preference the cities that already have an amazon campus in them.
Toronto has all of these..
Ah, who am I kidding. its going to come down to which government gives them the most money and that eliminates Toronto.
Would be fun for someone in each city to make a list of what makes your city a good choice for the headquarters!!