The New England Aquarium traded 800 mackerel for 12 puffins. OnceAndFutureLaura/Flickr hide caption

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Planet Money

A Dozen Puffins Will Get You 800 Mackerel: Inside The Weird Economy Of Zoos

Zoos and aquariums almost never buy or sell animals. But trade is thriving.

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Not every business has been hurt by the Ebola epidemic: Stephen Kollie says his newspaper stand is thriving because people are hungry for the latest Ebola information. But many of his usual expatriate customers have left the country, he says. Tommy Trenchard for NPR hide caption

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People wait to sign up for unemployment Sept. 3 at the Atlantic City Convention Center in Atlantic City, N.J., where thousands of workers at the closing Revel and Showboat casinos recently were laid off. Mel Evans/AP hide caption

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Dollar Tree recently announced it will buy Family Dollar Stores for about $8.5 billion in cash and stock. Discount stores have been doing well in the recession. Joe Raedle/Getty Images hide caption

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