Prior to the Great Recession there was the increase of fixed income securities from $ 36 trillion in 2000 to more than $ 75 trillion by 2007 .
[ ] ] One narrative describing the causes of the crisis begins with the significant increase in savings available for investment during the 2000–2007 period when the global pool of fixed-income securities increased from approximately $ 36 trillion in 2000 to $ 80 trillion by 2007 .
Causes of the Great Recession