The Trump Administration’s Portable Mortgage Push Could Let You Keep Your 3% Rate, but Experts Warn It May Backfire. What Can Homeowners Do Now?

As federal policymakers consider allowing borrowers to transfer their existing low-interest mortgages to new homes, Penn IUR Co-Director and Wharton professor Susan Wachter shares how these "portable mortgage[s] could nudge homeowners who have been staying put to sell, opening the door for new buyers."