The most damaging was a move by the government at the start of 2009 to double the rate of value-added tax on pay-TV to 20%.

ECONOMIST: Pay-television in Italy

In services, foreign-owned companies generated double the value added per worker, and had labour costs 30% higher.

BBC: Who owns the best of Scotland?

Trade statistics look at value, not value-added, so they include a lot of double counting as parts move across borders and back.

ECONOMIST: The G20 summit: London calling | The