Tweet [1]
Jeff Jacoby points out [2] that Boston’s benefits from hosting the Democratic National Convention may be slightly lower (actually a lot lower) than the estimated $150 million being bandied about. It’s a nice example of the seen and the unseen. Seen are some of the benefits. The costs are a little harder to see. But he cites a study by the Beacon Hill Institute [3] that claims when the full effects are considered, the Convention will actually harm the city by $12.8 million.
Here [4] is the original analysis by Bastiat on the seen and the unseen.