When an NFL team wants to build a new stadium, it often argues that the facility would boost the local economy.

But that is not true, says Roger Noll, a Stanford professor emeritus in economics. ... "NFL stadiums do not generate significant local economic growth, and the incremental tax revenue is not sufficient to cover any significant financial contribution by the city," said Noll, a senior fellow at the Stanford Institute for Economic Policy Research. (via Archinect)