Nina Klietsch: Why do airlines sell too many tickets?

Have you ever sat in a doctor's office for hours, despite having an appointment? Has a hotel turned down your reservation because it's full? Have you been bumped off a flight that you paid for? These are all symptoms of overbooking, a practice where businesses sell or book more than their capacity. So why do they do it? Nina Klietsch explains the math behind this frustrating practice. [Directed by Anton Trofimov, narrated by Addison Anderson].

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S2016E142 - Why are we so attached to our things? - Christian Jarrett