At this point, almost everyone in global markets is familiar with the notion of higher-for-longer interest rates. Soon, they are likely to meet another concept as important for understanding central-bank policy: less-for-longer quantitative tightening (QT). This phrase describes how the Federal Reserve intends to continue reducing its assets to undo its huge bond purchases during the covid-19 pandemic. It hopes that a less-for-longer approach will ultimately leave it with a smaller balance-sheet than would otherwise be the case.