Amelia Jones
Economist estimates Taylor Swift's 2 concerts at Levi's Stadium generated $33.5M for Silicon Valley
70% of 60K fans were out-of-towners who spent $19M on lodging, food, entertainment in Santa Clara
Fans staying 20% longer and spending 25% more daily than typical concertgoers around the US
Swift concert impact tops regular Levi's events but trails $240M boost of a Super Bowl
Levi's parent 49ers feuded with Santa Clara over curfew; city fining Swift $2K for late fireworks
But economist says city should celebrate economic success of concerts like Swift's