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CFA Level I · CFA Level I Exam · Asset-Backed Security (ABS) Instrument and Market Features

Compared with internal credit enhancement, external credit enhancement in an ABS structure, such as a bond insurance guarantee from a third party, is most likely to:

External credit enhancement most likely introduces reliance on the guarantor's creditworthiness. Because a third party provides the support, a downgrade of that guarantor can weaken the ABS's rating. Tranching is an internal technique, and ratings are still required regardless of external support.

  1. Aintroduce reliance on the creditworthiness of the guarantorCorrect
  2. Breduce the issuer's need to rate the senior tranche
  3. Cbe created through tranching of the collateral pool

Explanation

External enhancement comes from a third party, so the securities' credit quality depends partly on the guarantor's credit standing; a downgrade of the guarantor can lead to downgrades of the ABS. Tranching, overcollateralization and reserves are internal. External enhancement does not remove the need for ratings.

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