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There have been mixed reports about the effect of Brexit on prices in British shops so far, and whether removing or extending tariffs in any new trade deals could see food, clothes and other goods get cheaper or more expensive.

Daily Politics presenter Jo Coburn heard from Warwick Lightfoot, from the Policy Exchange - a think tank on the right of British politics - and who was a special advisor to Conservative chancellors, and from the New Economics Foundation chief executive Miatta Fahnbulleh.