Housing Bubble Causes – Why Did It Happen?

The housing bubble was caused by an expansion of credit that enabled irrational exuberance and wild speculation. The expansion of credit came in the form of relaxed loan underwriting terms including high debt-to-income ratios, lower FICO scores, high combined-loan-to-value lending including 100% financing, and loan terms permitting negative amortization. Addressing the conditions of expanding credit