Now that the list of the top 20 candidates has been announced cities could start upping the ante, according to Andrew Friedson, Assistant Professor of Economics. "This is exactly what I would do if I’m trying to touch off a bidding war between places," Friedson said. "You get a couple places you like and you say, 'Alright, you guys are finalists.' And they all start saying, 'Well, you have to up the ante because we’re at the big table now.'"

Denver's competition for Amazon’s second headquarters
Fox 31, January