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Credit risk refers to the risk that a borrower will default on any type of debt by failing to make required payments. The risk is primarily that of the lender and includes lost principal and interest, disruption to cash flows, and increased collection costs. The loss may be complete or partial and can arise in a number of circumstances. For example:
- A consumer may fail to make a payment due on a mortgage loan, credit card, line of credit, or other loan
- A company is unable to repay asset-secured fixed or floating charge debt
- A business or consumer does not pay a trade invoice when due
- A business does not pay an employee's earned wages when due
- A business or government bond issuer does not make a payment on a coupon or principal payment when due
- An insolvent insurance company does not pay a policy obligation
- An insolvent bank won't return funds to a depositor
- A government grants bankruptcy protection to an insolvent consumer or business
To reduce the lender's credit risk, the lender may perform a credit check on the prospective borrower, may require the borrower to take out appropriate insurance, such as mortgage insurance or seek security or guarantees of third parties. In general, the higher the risk, the higher will be the interest rate that the debtor will be asked to pay on the debt.
Types of credit risk
Credit risk can be classified as follows:
- Credit default risk — The risk of loss arising from a debtor being unlikely to pay its loan obligations in full or the debtor is more than 90 days past due on any material credit obligation; default risk may impact all credit-sensitive transactions, including loans, securities and derivatives.
- Concentration risk — The risk associated with any single exposure or group of exposures with the potential to produce large enough losses to threaten a bank's core operations. It may arise in the form of single name concentration or industry concentration.
- Country risk — The risk of loss arising from a sovereign state freezing foreign currency payments (transfer/conversion risk) or when it defaults on its obligations (sovereign risk); this type of risk is prominently associated with the country's macroeconomic performance and its political stability.
Assessing credit risk
Significant resources and sophisticated programs are used to analyze and manage risk. Some companies run a credit risk department whose job is to assess the financial health of their customers, and extend credit (or not) accordingly. They may use in house programs to advise on avoiding, reducing and transferring risk. They also use third party provided intelligence. Companies like Standard & Poor's, Moody's, Fitch Ratings, DBRS, Dun and Bradstreet, Bureau van Dijk and Rapid Ratings International provide such information for a fee.
Most lenders employ their own models (credit scorecards) to rank potential and existing customers according to risk, and then apply appropriate strategies. With products such as unsecured personal loans or mortgages, lenders charge a higher price for higher risk customers and vice versa. With revolving products such as credit cards and overdrafts, risk is controlled through the setting of credit limits. Some products also require collateral, usually an asset that is pledged to secure the repayment of the loan.
Credit scoring models also form part of the framework used by banks or lending institutions to grant credit to clients. For corporate and commercial borrowers, these models generally have qualitative and quantitative sections outlining various aspects of the risk including, but not limited to, operating experience, management expertise, asset quality, and leverage and liquidity ratios, respectively. Once this information has been fully reviewed by credit officers and credit committees, the lender provides the funds subject to the terms and conditions presented within the contract (as outlined above).
Sovereign risk is the risk of a government being unwilling or unable to meet its loan obligations, or reneging on loans it guarantees. Many countries have faced sovereign risk in the late-2000s global recession. The existence of such risk means that creditors should take a two-stage decision process when deciding to lend to a firm based in a foreign country. Firstly one should consider the sovereign risk quality of the country and then consider the firm's credit quality.
- Debt service ratio
- Import ratio
- Investment ratio
- Variance of export revenue
- Domestic money supply growth
The probability of rescheduling is an increasing function of debt service ratio, import ratio, variance of export revenue and domestic money supply growth. The likelihood of rescheduling is a decreasing function of investment ratio due to future economic productivity gains. Debt rescheduling likelihood can increase if the investment ratio rises as the foreign country could become less dependent on its external creditors and so be less concerned about receiving credit from these countries/investors.
A counterparty risk, also known as a default risk, is a risk that a counterparty will not pay as obligated on a bond, credit derivative, trade credit insurance or payment protection insurance contract, or other trade or transaction. Financial institutions may hedge or take out credit insurance. Offsetting counterparty risk is not always possible, e.g. because of temporary liquidity issues or longer term systemic reasons.
Counterparty risk increases due to positively correlated risk factors. Accounting for correlation between portfolio risk factors and counterparty default in risk management methodology is not trivial.
Mitigating credit risk
Lenders mitigate credit risk using several methods:
- Risk-based pricing: Lenders generally charge a higher interest rate to borrowers who are more likely to default, a practice called risk-based pricing. Lenders consider factors relating to the loan such as loan purpose, credit rating, and loan-to-value ratio and estimates the effect on yield (credit spread).
- Covenants: Lenders may write stipulations on the borrower, called covenants, into loan agreements:
- Periodically report its financial condition
- Refrain from paying dividends, repurchasing shares, borrowing further, or other specific, voluntary actions that negatively affect the company's financial position
- Repay the loan in full, at the lender's request, in certain events such as changes in the borrower's debt-to-equity ratio or interest coverage ratio
- Credit insurance and credit derivatives: Lenders and bond holders may hedge their credit risk by purchasing credit insurance or credit derivatives. These contracts transfer the risk from the lender to the seller (insurer) in exchange for payment. The most common credit derivative is the credit default swap.
- Tightening: Lenders can reduce credit risk by reducing the amount of credit extended, either in total or to certain borrowers. For example, a distributor selling its products to a troubled retailer may attempt to lessen credit risk by reducing payment terms from net 30 to net 15.
- Diversification: Lenders to a small number of borrowers (or kinds of borrower) face a high degree of unsystematic credit risk, called concentration risk. Lenders reduce this risk by diversifying the borrower pool.
- Deposit insurance: Many governments establish deposit insurance to guarantee bank deposits in the event of insolvency and encourage consumers to hold their savings in the banking system instead of in cash.
- ACPM Active credit portfolio management
- CCR Counterparty Credit Risk
- CVA Credit valuation adjustment
- EAD Exposure at default
- EL Expected loss
- LGD Loss given default
- PD Probability of default
- KMV quantitative credit analysis
- VAR Value at Risk
- PFE Potential future exposure
- Bluhm, Christian, Ludger Overbeck, and Christoph Wagner (2002). An Introduction to Credit Risk Modeling. Chapman & Hall/CRC. ISBN 978-1-58488-326-5.
- Damiano Brigo and Massimo Masetti (2006). Risk Neutral Pricing of Counterparty Risk, in: Pykhtin, M. (Editor), Counterparty Credit Risk Modeling: Risk Management, Pricing and Regulation. Risk Books. ISBN 1-904339-76-X.
- de Servigny, Arnaud and Olivier Renault (2004). The Standard & Poor's Guide to Measuring and Managing Credit Risk. McGraw-Hill. ISBN 978-0-07-141755-6.
- Darrell Duffie and Kenneth J. Singleton (2003). Credit Risk: Pricing, Measurement, and Management. Princeton University Press. ISBN 978-0-691-09046-7.
- Principles for the management of credit risk from the Bank for International Settlements
- "Principles for the Management of Credit Risk - final document". Basel Committee on Banking Supervision. BIS. September 2000. Retrieved 13 December 2013.
Credit risk is most simply defined as the potential that a bank borrower or counterparty will fail to meet its obligations in accordance with agreed terms.
- Risk Glossary: Credit Risk
- Credit Risk Classification
- BIS Paper:Sound credit risk assessment and valuation for loans
- Huang and Scott:Credit Risk Scorecard Design, Validation and User Acceptance
- Investopedia: Risk-based mortgage pricing
- Edelman: Risk based pricing for personal loans
- Cary L. Cooper, Derek F. Channon (1998). The Concise Blackwell Encyclopedia of Management. ISBN 978-0-631-20911-9.
- Frenkel, Karmann and Scholtens (2004). Sovereign Risk and Financial Crises. Springer. ISBN 978-3-540-22248-4.
- Cornett, Marcia Millon and Saunders, Anthony (2006). Financial Institutions Management: A Risk Management Approach, 5th Edition. McGraw-Hill. ISBN 978-0-07-304667-9.
- Investopedia. Counterparty risk. Retrieved 2008-10-06
- Tom Henderson. Counterparty Risk and the Subprime Fiasco. 2008-01-02. Retrieved 2008-10-06
- Brigo, Damiano and Andrea Pallavicini (2007). Counterparty Risk under Correlation between Default and Interest Rates. In: Miller, J., Edelman, D., and Appleby, J. (Editors), Numerical Methods for Finance. Chapman Hall. ISBN 1-58488-925-X.Related SSRN Research Paper
- Debt covenants
- MBA Mondays:Risk Diversification
- Duan, Jin-Chuan; Gauthier, Geneviève; Simonato, Jean-Guy. "On the equivalence of the KMV and maximum likelihood methods for structural credit risk models". CiteSeerX: 10
.1 .1 .154 .6371.
- Bank Management and Control, Springer - Management for Professionals, 2014
- Credit Risk Calculators - QuantCalc
- A Guide to Modeling Counterparty Credit Risk - SSRN Research Paper, July 2007
- Defaultrisk.com - research and white papers on credit risk modelling