Taylor Swift had a seismic effect on the U.S. economy in 2023, with the Eras Tour injecting billions of dollars into its 20 host cities — including Minneapolis — a windfall that rivaled that of hosting the Super Bowl. Now, the 34-year-old's reach has extended to the $163 billion behemoth that is the National Football League. Just months after going public, Swift and her new beau Travis Kelce, a Kansas City Chiefs tight end, had already shifted the economics of the NFL at a time when the league was grappling with how to attract more types of fans, said Misty Heggeness, an associate economics and public affairs professor at the University of Kansas. "From an NFL perspective, one of the benefits to having Taylor Swift show up at the games is just that she has a huge fan base of younger people and younger girls and young women, who might not have really paid much attention to the NFL in the past," Heggeness said in a presentation Wednesday. The Minnesota Council on Economic Education (M...