On a trip to Washington, D.C., Bridget and Ryan take this question from Oliver in Illinois: Why do different countries use different currencies? There’s the U.S. dollar, the Mexican peso and ...

The US gold price is converted to the currency in that country based on the current exchange rate. In other words, no matter where in the world you purchase gold, the actual value of that gold in US ...

In the world today there are about 180 different currencies in use. Some outvalue the dollar while others are literally not worth the paper they’re printed on. In countries experiencing high ...

Currency depreciation is not an uncommon issue—it has occurred on a large scale in various countries, and in some cases, the consequences were significant. The U.K ...

Note, by the way, that there are always two sides to such transactions, so the various currency shares add up to 200 percent. So what this is telling us is that seven out of eight foreign exchange ...