Car thefts, false advertising and local currencies

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As Bristol becomes the latest city to launch its own pound we hear whether local currencies really boost business. How a spate of thefts, where car keys have been cloned, has prompted action by BMW. And a company which tricked charities into parting with thousands of pounds for non-existent advertising at sports grounds has been wound up in the high court. Presenter: Winifred Robinson Producer: Jon Douglas.