One of the reasons the British economy has put its old problems behind it is because of our relatively low taxation and light regulation. This is one of the reasons Britain attracts more inward investment than France and Germany combined. If we joined the euro we would lose these competitive advantages.
Taxes in the Eurozone are a sixth higher overall and businesses have to spend far more on non-wage labour costs and social security contributions. In the euro businesses would end up paying more as taxes are harmonised across the Eurozone. Air Charter Directory.