Paying for a ball field

What won't be paid for, in order for this ball stadium to take place?

http://www.economist.com/blogs/democracyinamerica/2013/11/stadium-financing

http://www.forbes.com/sites/kellyphillipserb/2013/11/13/braves-new-world-taxpayer-funding-remains-a-concern-as-atlanta-rushes-towards-new-stadium/

http://deadspin.com/heres-how-cobb-county-will-pay-for-the-braves-ballpar-1464404976