Haldane said the effects the sterling's slump since voters decided in June to leave the European Union was starting to trickle through in to higher shop prices.
"That will in turn produce something of a squeeze on the spending power of consumers and may lead them to throttle back somewhat in their spending plans," Haldane said at an event in London hosted by the Institute of Directors, an employers group.
"It might not happen, they might choose to run down their savings. But it's possible, indeed I'd say likely that there will be something of a slowdown."
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(Reporting by David Milliken and Ritvik Carvalho, writing by Andy Bruce, editing by William Schomberg)
