It sounds paradoxical, but Federal Reserve Chair Kevin Warsh may have tightened the economy more by not lifting interest rates than he would have by actually increasing them.
Source: [MarketWatch](https://www.marketwatch.com/story/warsh-tightened-more-by-pausing-than-by-lifting-rates-this-bond-market-veteran-argues-heres-the-math-31cb15a1?mod=mw_rss_topstories)