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Re:Tuition costs have risen 710% since 1983 (1200% since 198... by maxbond on Monday July 10, 2023 @02:03PM (#36670414)
Collateralized Debt Obligation, sort of like a bond that's composed from many loans on something you can repossess, like houses or boats. They're notorious because they were involved in the 2008 financial crisis.

https://www.investopedia.com/terms/c/cdo.asp

Or if you prefer the Big Short explanation:

https://youtube.com/watch?v=EEXTqtH-Oo4

Re:Tuition costs have risen 710% since 1983 (1200% since 198... by adhesive_wombat on Monday July 10, 2023 @03:11PM (#36671443)
The Big Short also has an earlier explanation of a non-synthetic CDO ("we just repackage it [low-quality risky debt] along with a bunch of other shit that didn't sell and put it into a CDO"):

https://youtu.be/xbiDrzTd8fE?t=260s