Title: Advantages & disadvantages of single currencies
Headings: 
Advantages & disadvantages of single currencies
Advantages & disadvantages of single currencies / monetary integration
Arguments for a single currency
Arguments against a single currency

Content: So what arguments are there for joining a single currency? There are convincing arguments on both sides, and below are some of them. This is not a complete list, but offers some arguments to help you draw your own conclusions. The arguments are phrased in terms of joining the Euro, but could apply to any single currency area. Arguments for a single currency
Elimination of the costs of converting currencies - converting between currencies has a cost for individuals and firms. A single currency will remove these costs. Increased price transparency - prices in different currencies can be difficult to compare. How often do you travel around with a calculator, to check the price of something in another country? If everything is in the same currency, price comparison is straightforward. This may help firms cut costs, as they will be able to find the cheapest product more easily.