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Cost of running the Olympics
(journals.sagepub.com)
Los Angeles was able to have a surplus as most of the infrastructure was already built before the Games.
I think blue and red are supposed to be "Profit" and "Loss", not revenues and costs, since I'm pretty sure all Olympics have both revenues and costs. Also, the Y-axis is already labeled deficit and surplus, so why not just use those instead of conflicting, misleading terms?
There is another graph for detailed cost and revenue in the article (figure 2), the one is meant to be a summary to differenciate deficit and surplus