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WS MoreOrLess: Immigration
How much do migrants cost or benefit a nation? Plus, planning a wedding - when you have friends and family all around the world and a finite number of places at the venue, how do you work out how many invitations to send? Tim Harford speaks to a couple who thought statistics might have the answer. This programme was first broadcast on the BBC World Service.
Published on 11 years, 10 months ago