KEY POINTS
  • CNBC's Jim Cramer parsed the 2007 to 2009 financial crisis, explaining how to tell when a decline is due to a mechanical market failure or indicative of broader economic turmoil.
  • The root of the 2007-09 decline was excessive mortgage lending to those who would not usually qualify for one, eventually resulting in millions of Americans defaulting on those loans.

CNBC's Jim Cramer parsed the 2007 to 2009 financial crisis, explaining how to tell the difference between a decline indicative of the health of the broader economy as opposed to a mechanical failure by the market, like the "Black Monday" decline of 1987.

To determine whether there's a systemic decline or a flash crash that could be a buying opportunity, Cramer said investors should ask themselves questions about the state of the economy.