Banks and other lending institutions lent money at very low but adjustable rates, with low down payments, to people who may not have been able to afford higher rates or down payments and who may not have qualified under more traditional terms.
When the rates went up, perhaps just 1-2 percent, which doesn't sound like much, many people could no longer afford to pay their mortgages. Mortgages are structured such that most of the interest is paid in the first part of the loan, so a small increase in annual interest leads to a big increase in payment because the payment reflects the increased interest for the entire term of the mortgage. Again, we are talking about those who might not have qualified for the loan under more traditional terms, and who thus might have had incomes and/or assets that may not have had the flexibility to handle the new higher monthly payment, thus there were many loans in default.
In addition, with little invested in the house, because of low down payments, many people just walked away, leaving banks and other lending institutions holding a lot of property. Banks are not in the real estate business, and would need to sell the property to regain their money. Then the laws of supply and demand kick in: lots of defaulted property => lots of supply => lower cost => losses for the banks and related institutions and the larger institutions that invest in them.
When the rates went up, perhaps just 1-2 percent, which doesn't sound like much, many people could no longer afford to pay their mortgages. Mortgages are structured such that most of the interest is paid in the first part of the loan, so a small increase in annual interest leads to a big increase in payment because the payment reflects the increased interest for the entire term of the mortgage. Again, we are talking about those who might not have qualified for the loan under more traditional terms, and who thus might have had incomes and/or assets that may not have had the flexibility to handle the new higher monthly payment, thus there were many loans in default.
In addition, with little invested in the house, because of low down payments, many people just walked away, leaving banks and other lending institutions holding a lot of property. Banks are not in the real estate business, and would need to sell the property to regain their money. Then the laws of supply and demand kick in: lots of defaulted property => lots of supply => lower cost => losses for the banks and related institutions and the larger institutions that invest in them.
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