1.   Higher tariffs will affect a wide range of British exports.

2.   Supporters insist it is a valuable way of boosting British exports.

3.   The move should help stimulate economies on the continent where recession has been weakening the market for British exports.

4.   As the pound strengthens against other currencies British exports become less competitive and U.K. companies get fewer pounds for their overseas revenue.

5.   A strong pound makes British exports less competitive and reduces the value of sales in foreign currencies when they are converted back into pounds.

6.   A stronger pound makes British exports more expensive, crimping economic growth.

7.   A strong pound makes British exports less competitive.

8.   British exports to the rest of Europe have been strangled while imports into Britain have soared.

9.   But it does not mean that Europe is close to lifting its ban on British exports of beef.

10.   Its strength makes British exports more expensive, drawing the ire of U.K. companies.