Most regulators grant contingent convertible bonds (CoCos) the status of equity. Theory, however, suggests that CoCos can induce debt overhang, thereby, increasing the cost of issuing equity. First, we theoretically investigate how the extent of this debt overhang varies with bank...

Why do banks issue contingent convertible debt? To answer this question we study comprehensive data covering all issues by publicly traded banks in Europe of contingent convertible bonds (CoCos) that count as additional tier 1 capital (AT1). We find that banks with lower asset volatility are...