Nashville International Airport's board has officially chosen a new model and manager for the booming airport's concession offerings.
Wednesday, the board voted to approve a contract with Fraport USA, which had previously been selected by the airport's staff. Fraport, whose parent company is based in Germany, uses a "developer model," similar to a shopping mall. That means restaurants and retailers who want to set up shop at the airport will have more control over their own operations once Fraport…