Khan Academy online gives great tutorials, videos and overviews of topics including collateralized debt obligation. This website will walk you through everything you need to know about this topic.

CBO-FM was created in 1924.

General Obligation bonds are secured by "taxes" primarily, whereas revenue bonds are secured by the "income" from the issuer of that particular bond.

Formally it means Collateralized Debt Obligation.

This is also an acronym associated with a joke about OCD. The base joke goes, "I am not OCD, I am CDO. It is in alphabetical order."

The CBO is an abbreviation of Congressional Budget Office. The CBO approach basically uses the same approach as the congressional budget.