When firms roll over bonds of different maturity, their debt-maturity structure can feature both shorter and longer maturity in bad times. We link these debt-maturity patterns to the firms' fundamentals, assuming earnings are deterministically declining but the same firm is subject to a growth...

We study a rich dynamic-leverage model that includes (debt-issuance covenants, a debt floor/ceiling, and specially) a fixed cost. When firms face financial but also operational leverage---the fixed cost, the firm's financial policies strongly interact---bringing forward the default time but...