The document outlines 10 causes of the global financial crisis, including a credit bubble fueled by cheap credit that led to a housing bubble, risky mortgages and securitization, financial institutions concentrating correlated housing risk and using excessive leverage, and a financial shock and panic in September 2008 that triggered a severe economic contraction. Financial institutions failed due to large losses from housing investments, contagion risks from interconnectedness, and a common shock from similar bets on housing that undercapitalized many firms. The financial crisis then caused a broader economic crisis through contraction.