1 Fed Chair Alan Greenspan dropped rates to 1 percent — levels not seen for half a century — and kept them there for an unprecedentedly long period. This caused a spiral in anything priced in dollars (i.e., oil, gold) or credit (i.e., housing) or liquidity driven (i.e., stocks).
2 Low rates meant asset managers could no longer get decent yields from municipal bonds or Treasurys. Instead, they turned to high-yield mortgage-backed securities. Nearly all of them failed to do adequate due diligence before buying them, did not understand these instruments or the risk involved. They violated one of the most important rules of investing: Know what you own.
3 Fund managers made this error because they relied on the credit ratings agencies — Moody’s, S&P and Fitch. They had placed an AAA rating on these junk securities, claiming they were as safe as U.S. Treasurys.
4 Derivatives had become a uniquely unregulated financial instrument. They are exempt from all oversight, counter-party disclosure, exchange listing requirements, state insurance supervision and, most important, reserve requirements. This allowed AIG to write $3 trillion in derivatives while reserving precisely zero dollars against future claims.
5 The Securities and Exchange Commission changed the leverage rules for just five Wall Street investment banks in 2004. The “Bear Stearns exemption” replaced the 1977 net capitalization rule’s 12-to-1 leverage limit. In its place, it allowed unlimited leverage for Goldman Sachs, Morgan Stanley, Merrill Lynch, Lehman Brothers and Bear Stearns. These banks ramped leverage to 20-, 30-, even 40-to-1. Extreme leverage leaves very little room for error.
6 Wall Street’s compensation system was skewed toward short-term performance. It gives traders lots of upside and none of the downside. This creates incentives to take excessive risks.
7 The demand for higher-yielding paper led Wall Street to begin bundling mortgages. The highest yielding were subprime mortgages. This market was dominated by non-bank originators exempt from most regulations. The Fed could have supervised them, but Greenspan did not.
8 These mortgage originators’ lend-to-sell-to-securitizers model had them holding mortgages for a very short period. This allowed them to get creative with underwriting standards, abdicating traditional lending metrics such as income, credit rating, debt-service history and loan-to-value.
9 “Innovative” mortgage products were developed to reach more subprime borrowers. These include 2/28 adjustable-rate mortgages, interest-only loans, piggy-bank mortgages (simultaneous underlying mortgage and home-equity lines) and the notorious negative amortization loans (borrower’s indebtedness goes up each month). These mortgages defaulted in vastly disproportionate numbers to traditional 30-year fixed mortgages.
10 To keep up with these newfangled originators, traditional banks developed automated underwriting systems. The software was gamed by employees paid on loan volume, not quality.
11 Glass-Steagall legislation, which kept Wall Street and Main Street banks walled off from each other, was repealed in 1998. This allowed FDIC-insured banks, whose deposits were guaranteed by the government, to engage in highly risky business. It also allowed the banks to bulk up, becoming bigger, more complex and unwieldy.
12 Many states had anti-predatory lending laws on their books (along with lower defaults and foreclosure rates). In 2004, the Office of the Comptroller of the Currency federally preempted state laws regulating mortgage credit and national banks. Following this change, national lenders sold increasingly risky loan products in those states. Shortly after, their default and foreclosure rates skyrocketed.
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