CNN  —  The concert tour that made Taylor Swift a billionaire wraps up this weekend, but it has already left a lasting impact on the global economy. The pop superstar, whose final performance of “The Eras Tour” takes place Sunday night at BC Place Stadium in Vancouver, British Columbia, emerged as a business titan after 152 concerts in 52 countries. Eras became the highest-grossing tour of all time with an estimated windfall of $2.2 billion. In the United States, concertgoers spent about as