Applause Music every year, over a hundred million people gather around their televisions, surrounded by loved ones, to watch the big game. The pinnacle event of the most profitable sports league in the world is more often than not played in a new state-of-the-art stadium with super-sized digital displays, retractable roofs, luxurious seats, and suites. - Teams generally earn the lion's share of the revenue from the stadium, but for 28 out of the 32 teams, it's the taxpayers in the team's host city who paid to build it. If the privately-owned teams earn the stadium's revenue, why are they built with public money? - A new NFL stadium is being built nearly every year, and their price tags are reaching into the billions. This chart shows all the different home fields NFL teams have played in since 1960. Stadiums built in the 70s and 80s have lasted on average over 30 years, but now a stadium's lifespan may be less than two decades. Washington's owners started asking for a new stadium back when FedEx Field was only 17 years old. - Though some stadiums, like the Giants Jets MetLife Stadium, are built with 100% private financing, public tax dollars have financed the vast majority of NFL stadiums built in the last 20 years. That's over $7 billion in public money going towards building and renovating NFL stadiums. - NFL owners argue that a new stadium will generate new construction jobs while the venue is being built, and all the new spending from ticket sales, hotels, parking, and tourism would cascade into the community and the wider area, creating a boom in the local economy. But, do stadiums really make for a good public investment? I asked an urban planning economist. - According to the economist, most of the stadiums built in the United...