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When will the U.K. convert to the Euro as an official currency?
When economies are strong, it is particularly alluring to have a single currency as it makes trade and tourism simpler and helps reduce costs. The problem comes when individual member economies get into trouble. Because the Eurozone is a loose grouping of nations, there is no direct equivalent of the US Federal government to coordinate a response, there is instead an odd mixture of National and Central government that makes it harder to get a unified approach to the economy (OK, it's maybe not so different to the US in reality).  This lack of flexibility means that some of the key levers of international finance are compromised, for example a weak economy can't float its currency to improve exports. Similarly individual country's interest rates can't be adjusted to balance spending. I suspect the main reason though is political and based on concepts of sovereignty and national pride. The UK does the majority of its trade with the Eurozone, so the pros would possibly outweigh the cons, but the UK as a whole (and some of our papers in particular) have always regarded Europe with suspicion. Most Brits only speak English and find France and Germany a strange and obtuse place. The (almost) common language makes it easier to relate to the US and Canada than our near neighbours. It seems the perception amongst the political establishment is that any attempt to join the Euro is political suicide, while that is the case it is unlikely to happen. Purely from a personal perspective, I'd welcome the Euro except it means a lot of the products I routinely buy would become a lot more expensive if price is 'harmonised'. For an example compare the price of the iPod Touch in the UK (£209.99) to France(€299). The French pay £262 at the current exchange rate, which is close to 25% more. Ouch. See also my question about Canada adopting the US Dollar