Discover how currency unions impact global economies, their historical development, and the critiques they face. Learn about the largest unions like the Eurozone.

Bulgaria on Thursday received the green light from European Union leaders to use the euro common currency starting January 1, 2026. Leaders, gathered for an EU summit in Brussels, endorsed a proposal ...

Currency exchange options have expanded, but knowing best practices helps you avoid costly misconceptions. While many airport exchanges charge high fees, newer automated kiosks offer more competitive ...

Brazil's and Argentina’s leaders have revived the idea of a common currency in a bid to boost trade and reduce the region’s reliance on the U.S. dollar. WSJ's Samantha Pearson explains why it is ...

The euro shows both the promises and pitfalls of unified currency systems. Economic sovereignty remains a key barrier to ...