Secondary mortgage market
The secondary mortgage market is the market for the sale of securities or bonds collateralized by the value of mortgage loans. A mortgage lender, commercial banks, or specialized firm will group together many loans (from the "primary mortgage market") and sell grouped loans known as collateralized mortgage obligations (CMOs) or mortgage-backed securities (MBS) to investors such as pension funds, insurance companies and hedge funds. Mortgage-backed securities were often combined into collateralized debt obligations (CDOs), which may include other types of debt obligations such as corporate loans.
The secondary mortgage market was intended to provided a new source of capital for the market when the traditional source in one market -- thrifts in the United States -- was unable to, being limited to 5 3/4% interest rates. It also was hoped to be more efficient than the old localized market for funds which might have a shortage or surplus depending on the location. In theory risk of default of the individual loans was reduced by this aggregation process.
On the other hand mortgage securitization undid "the connection between borrowers and lenders", such that mortgage originators no longer had a direct incentive to make sure the lender could pay the loan. While historically in the US less than 2% of people lost their homes to foreclosure, rates were far higher during the Subprime mortgage crisis. [:wikt:delinquency|Delinquencies]], defaults, and decreased real estate values could make CDOs difficult to evaluate. This happened to BNP Paribas in August, 2007, causing the central banks to intervene with liquidity.
See also 
- Real estate investment trust
- Collateralized Debt Obligations at Wikinvest
- Asset-backed security
- Commercial bank
- Definition of 'Primary Mortgage Market' "The market where borrowers and mortgage originators come together to negotiate terms and effectuate mortgage transaction ..."
- Investopedia 'Primary Mortgage Market'
- All the Devils Are Here, MacLean and Nocera,p.5
- All the Devils Are Here, MacLean and Nocera, p.19
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