Generate text that refutes this claim: In joining the single currency, Britain would have to surrender her sovereignty and allow Brussels (where the EU is based) to dictate her financial affairs.  If she accepted the Euro as her currency, Britain would have to hand the control she has over her economy over to Brussels. EU Committees would dictate how she may spend and tax. It is too dangerous for any country to have her economic affairs dictated by another country. This is an issue even Europhiles (those who support the EU) are sceptical about. "Joining the euro would involve a major surrendering of our sovereignty, severely hindering our ability to run the economy as we see fit. We would lose control over interest rates, and the ability to manage the economy through taxing and spending. Instead, it would be run by European committees… Even British politician Kenneth Clarke, nicknamed “Europe’s biggest friend” and one of the leading campaigners for the euro, admits that Britain’s ability to tax is central to its democracy.”1  1Browne, A., 2001, "The Euro: Should Britain Join?", page 70
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These restraints exist to ensure that all countries contribute to the European Community. Surprisingly, Britain's sovereignty will actually increase by joining the Euro. As explained by Anthony Browne in The Euro: Should Britain join?, "When it comes to interest rates, we would in some ways get more sovereignty. Being represented in the ECB (European Central Bank) would give us more influence over the business cycle, because we would be there as part of the decision-making process, not just having to accept decisions made by others that would have a profound effect on us."1 Joining the single currency and by attachment the ECB would help Britain to better oversee and predetermine her economic activity, thereby improving the handle she has on her finances.  1Browne, A., 2001, "The Euro: Should Britain Join?"