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Advanced Internal Rating-Based (AIRB)

A risk measurement tool for banking and financial institutions that helps in credit risk measurement

What is Advanced Internal Rating-Based (AIRB)?

The Advanced Internal Rating-Based (AIRB) approach is a risk measurement tool for banking and financial institutions that helps in the measurement of credit risk. It is done under the Basel II Capital Rules for institutions and companies that specialize in banking globally.

 

Advanced Internal Rating-Based

 

Risks of Default

The advanced internal rating-based models help determine the risks of default in a variety of fields, including:

  1. Loss Given Default (LGD)
  2. Exposure at Default (EAD)
  3. Probability of Default (PD)


The three fields mentioned above help determine the
risk-weighted asset (RWA) that is calculated on a percentage basis for the total required capital. They help make a structural model of credit risk that can assist in formulating internal rating-based approaches for credit risk management within a bank. The model aids in avoiding pitfalls and unnecessary stresses on a bank’s balance sheet that can end up threatening the liquidity or long-term profitability of the financial institution as a whole.

The ratings-based approaches help maintain controls within the various departments of the banks to ensure that they do not over-leverage in any specific way.

 

Basel II Rule Requirement

The AIRB systems were proposed under the Basel II capital adequacy rules. Basel II is a set of recommendations for financial institutions globally that help form banking laws and financial best practices.

It helps promote compliance and liquidity and protect the solvency of banks that are a part of the world market. Basel II was introduced in 2004; however, the 2008 Global Financial Crisis intervened before Basel II could be implemented fully.

 

Importance of Credit Risk

As individuals who participate in an economy, many of us take out mortgages, earn money, and buy goods and services. We all have a vested interest in ensuring that financial institutions adhere to certain capital risk requirements. Credit risk measurements like the AIRB help enforce the regulations and encourage a culture of safety and responsible governance within financial institutions.

AIRB and other risk-governing tools help promote confidence in the markets and financial system. It also creates the positive effect of encouraging investments and promoting a positive image on the reliability of markets and systems that form the backbone of the economy.

 

Risks from the Advanced Internal Rating-Based Approach

No financial mitigation platform comes without risks that may prevent it from doing the job that it was intended to do. Regarding the AIRB, before 2008, one of the risks included that of the model not being able to capture certain types of long-term lending.

After the financial market crash in 2008, it was also identified that the AIRB was inadequate in preventing exposure to the systemic issues in other banking institutions. Stress testing also overrides many of the components of the AIRB and must be done with caution in order not to override the efficacy of the AIRB model.

 

Credit Risk and the AIRB Model: A Summary

  • AIRB is a risk measurement tool for banking and financial institutions that helps in the measurement of credit risk.
  • The AIRB system was proposed under the Basel II capital adequacy rules, which help promote trust, transparency, and compliance in the capital markets systems. It encourages investment and helps to grow investor confidence and comfort.
  • AIRB helps maintain controls within the various departments of the banks to ensure that they do not over-leverage.
  • Risk governance tools are a critical component of capital markets and help to keep investment methods and practices sound. They also help promote confidence in the markets and financial system.
  • AIRB can be strategically deployed in agile ways throughout different regions of the world.

 

More Resources

CFI is the official provider of the Certified Banking & Credit Analyst (CBCA)™ certification program, designed to transform anyone into a world-class financial analyst.

In order to help you become a world-class financial analyst and advance your career to your fullest potential, these additional resources will be very helpful:

  • Basel III
  • Financial Compliance
  • Capital Adequacy Ratio (CAR)
  • Probability of Default

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