The central bank could end an era of negative borrowing costs as early as next week. In this Viewsroom podcast, Breakingviews columnists argue that large companies are ready for the tightening, but many struggling small businesses could hit the wall even if policymakers go slow. Visit the Thomson Reuters Privacy Statement for information on our privacy and data protection practices. You may also visit megaphone.fm/adchoices to opt-out of targeted advertising.