Dirk Hackbarth

• [2022 JFE] 高 beta、低收益：困境股票里那根会「看天」的杠杆A Unified Model of Distress Risk PuzzlesJun 2026
• [2007 RFS] 越能谈，越借不到：把「债该长什么样」算回一场讨价还价Can the Trade-off Theory Explain Debt Structure?Jun 2026