The quantity of rent-controlled apartments demanded thus becomes enormous. In New York City, some old rent-controlled units have become family heirlooms. A woman went viral on TikTok in 2021 after showcasing her redecorated $1,300 a month rent-controlled two-bedroom apartment on the Upper West Side, after inheriting the lease from her parents—a unit that would rent for three to five times as much on the open market. In Stockholm, Sweden, where strict controls have been enforced for decades, the...