If firms can issue debt only at discrete dates, debt maturity is an effective device against the commitment problem on debt and investment policies. With shorter maturities, debt dynamics are less persistent and more valuable because upward leverage adjustments are faster and long-run leverage...

We show that a platform-pays mechanism can address ratings inflation and ratings shopping with minimum regulatory oversight. While we focus on ratings industry, the mechanism also applies to a setting where firms seek unbiased reports from external auditors. The mechanism has two necessary and...

Risk management is the most widely-cited reason that non-financial corporations use derivatives. If hedging programs are effective, then firms using derivatives should have lower credit risk than those that do not. Surprisingly, we find that firms with derivative positions without a hedge...

In sparse large-scale testing problems where the false discovery proportion (FDP) is highly variable, the false discovery exceedance (FDX) provides a valuable alternative to the widely used false discovery rate (FDR). We develop an empirical Bayes approach to controlling the FDX. We show that...