Jack Liebersohn

• [2025 JFE] 被自己 3% 的房贷「锁」在原地：当利率掉头向上，美国人为什么不搬家了Household Mobility and Mortgage Rate LockJun 2026
• [2022 JFE] 把饼做大，还是把饼重分？——金融科技补上了银行够不着的那一块Can FinTech Reduce Disparities in Access to Finance? Evidence from the Paycheck Protection ProgramJun 2026