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Boom, Bust & Blame -- The Inside Story of America's Economic CrisisBoom, Bust & Blame: The Inside Story of America's Economic Crisis
3: Subprime Explosion      |      5: Warning Signs
4
Inflating
The Bubble
The days when a bank issued a mortgage and held onto it for the life of that loan ended long ago. Mortgages had become huge profit-generators for investment banks, which bought the loans from other banks and non-bank lenders, packaged them together, sliced them up, and sold them as securities.  In theory, as long as homeowners paid their mortgages, these securitized loan investments, also known as structured products, were relatively safe.  But, theory and practice were two very different things.
3: Subprime Explosion      |      5: Warning Signs