INVESTING: How financial innovation facilitated subprime mess
Since the mid-1980s, a lucrative activity on Wall Street has been to pool financial assets and then issue securities representing an interest in these pools-a process called securitization. All sorts of assets are securitized, including auto loans, mortgages, leases, credit card receivables and corporate debt. Investors purchase the “asset-backed” securities and receive the cash flows generated by the underlying loans in the pool. Securitization was a tremendous financial innovation. Before securitization took off, financial institutions often would keep loans on…