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Are Coco Bonds Suitable As Core Capital Instruments?, Kevin Dowd
Are Coco Bonds Suitable As Core Capital Instruments?, Kevin Dowd
Journal of New Finance
Basel III introduced significant innovations in bank regulation. One of them is the minimum required leverage ratio. To help banks implementing the new measure , Basel III created two different core capital measures: Common Equity Tier 1 (CET1) and Additional Tier 1 (AT1). Since raising capital for CET1 is expensive, other instruments are used to build up AT1 in case of need, like for example Contingent Convertible (CoCo), which can convert to equity or written-down when a bank is under stress. In this paper we show that CoCos are not suitable as regulatory core capital instruments. Problems of timing, incentives, …