Topic 1. Financial Crisis Overview
Topic 2. Role of Subprime Mortgages
Topic 3. Role of Collateralized Debt Obligations (CDOs)
Topic 4. Role of Banks and Financial INtermediaries
Topic 5. Role of Mortgage Brokers and Lenders
Topic 6. Role of Rating Agencies
Topic 7. Trends in Short-Term Wholesale Funding Markets
Topic 8. Impact on Systemic Risk
Topic 9. Central Bank Intervention
Historical Background
Timeline: 2007-2009 Global Financial Crisis
Scope: Started as U.S. subprime crisis, quickly spread globally
Unprecedented Scale: Unlike previous U.S. crises, this affected multiple asset classes and geographical locations
Key Contributing Factors
Low Interest Rate Environment
Interest rates kept at historically low levels in the U.S.
Financial Innovation and Securitization
Introduction of mortgage securitization
Easy Access to Credit
Widespread availability of credit
Encouraged real estate speculation
Created asset price bubbles
Definition: Loans secured by residential property made to borrowers with poor credit
Borrower Characteristics
History of delinquent payments
Large loan-to-value ratios (low up-front deposits)
Large loan-to-income ratios
Structure: 30-year adjustable-rate mortgage
Initial Period: 2-year low fixed "teaser" rate
Adjustment: Much higher variable rate for remaining 28 years
100% Loan-to-Value: No up-front payment required, no equity cushion
Interest-Only Loans: No principal reduction during mortgage life
NINJA Loans: No Income, No Job, No Assets verification
Liar Loans: Little evidence collected to confirm employment/income
Topical Subprime Loan Structure: 2-28 ARM
Structure and Process
Pooling: Multiple mortgages bundled together
CDO-Squared
Q1. Which of the following statements is incorrect in relation to the use of collateralized debt obligations (CDO) during the financial crisis?
A. Some CDO tranches were repackaged into CDO-squared.
B. CDOs were opaque and complex to value, especially at the peak of the crisis.
C. Cash flows and defaults were determined according to a waterfall structure.
D. Despite containing subprime mortgages, investors could safely rely on the assessment given by the rating agencies.
Explanation: D is correct.
Rating agencies provided unrealistically high assessment of CDOs, especially of the senior tranches. This was partly due to the conflict of interest that existed between the rating agencies and the issuers of CDO structures.
Q2. One of the contributory factors of the financial crisis of 2007–2009 was the move to the originate-to-distribute model. Under this model, the lender:
A. may relax its underwriting standards.
B. needs to hold more regulatory capital.
C. is less likely to originate high loan-to-value mortgages.
D. originates mortgages and then retains them on its balance sheet until they mature.
Explanation: A is correct.
Under the originate-to-distribute model, a lender sells mortgages to special investment vehicles (SIV), which issue collateralized debt obligations (CDOs). As the credit risk associated with the mortgage is transferred to other investors, the lender will need to hold less regulatory capital and relax its lending criteria.
Asset-Liability Maturity Mismatch:
Asset-Backed Commercial Paper
Short-term paper backed by collateral (mortgages, credit card loans)
Repurchase Agreements (Repos)
Q3. The use of asset-backed commercial paper (ABCP) and repurchase agreements (repos) by banks to fund investment mortgages led to problems because:
A. the commercial paper was unsecured.
B. it exposed banks to funding liquidity risk.
C. the duration of the liabilities exceeded the duration of the assets.
D. rating agencies provided unrealistically high ratings for the assets.
Explanation: B is correct.
Banks funded long-term assets, such as mortgages, using short-term funding sources, such as asset-backed commercial paper (ABCP) and repos. This exposed them to funding liquidity risk in times of crisis when lenders refused to roll over these short-term funding sources.
Systemic Risk: Risk of system failure resulting in shutdown of entire financial market.
Crisis Timelines
Global Response Strategy
Objective: Prevent further systemic issues through liquidity support and interest rate cuts
Q4. To prevent further liquidity issues, the Federal Reserve and the U.S. government intervened in financial markets by implementing all of the following except:
A. lowering interest rates.
B. bailing out major financial institutions.
C. opening the discount window to commercial banks.
D. acquiring assets issued by major financial institutions.
Explanation: C is correct.
Historically, the discount window was available to commercial banks to meet their reserve requirements at the close of each day. At the peak of the crisis, the discount window was also made available to investment banks.