When you think of multitasking, you probably imagine someone who can type e-mails, answer the phone and make a PowerPoint presentation all at once. In reality, though, that kind of performance is like juggling — it’s impressive but not something anyone can do easily. To get things done effectively and...

The euro area is a monetary union. In order to have a monetary union, there must be a situation in which at least two countries share the same official currency. In the euro area, this requirement is met. In other words, more than two countries have the euro as their official currency. Specifically, there are 19 states.