Below are a few starting points for learning about economics in the context of the European Union. Each article is interlinked with numerous glossary items and other articles, so you are encouraged to learn about new topics as you go before coming back to finish the main article.
It may also be useful to you to frequently refer to the glossary of terms which defines many of the vocabulary items you will encounter, and also to the comprehensive topic index which lists all articles, vocabulary, and examples use within.
What is European Integration?
What is a monetary union?
What are the costs and benefits of joining a monetary union?
What is an optimal currency area?
How is monetary policy conducted in the EMU?
How is fiscal policy conducted in the EMU?
What are the budgetary difficulties facing Europe?