11. I believe that monetary union is political union, and that the creation of a single currency is federalism.
12. If at some stage we entered into a single currency, we should have to deal with a different matter.
13. If there were a single currency without convergence, it would have several serious effects on the smaller countries.
14. If we are to adopt a single currency, we must achieve the theoretical advantages which are there to be grasped.
15. It came at a moment when skepticism over the pace toward full economic union and the single currency has been mounting.
16. It is this prospect that has prompted trade union leaders with a public-sector contingent to be wary about the single currency project.
17. It poses the question of whether it is advisable to adopt a single currency in the course of a regional integration process.
18. Stay outside the single currency, particularly if the euro keeps strengthening, and that importance diminishes.
19. Thatcher called the plan for a single European currency impracticable.
20. The exchange rate mechanism is a voluntary prototype for a single currency.