Optimal Time-Consistent Debt Policies

Abstract We study a dynamic trade-off model where shareholders can freely adjust debt but lack commitment to future debt policies. A debt policy is time-consistent if shareholders prefer it to deviating and losing credibility ex post. We characterize the optimal time-consistent policy in a class. It includes a stable regime, where shareholders actively manage liabilities to maintain the target interest coverage ratio, and a distress regime triggered by large negative shocks, where shareholders temporarily abandon the target. This policy has realistic properties and bridges the gap between the static trade-off theory of debt and theory based on the leverage ratchet effect. (JEL G32, C73)