During my stay in Lagos, I met a woman who asked me what my impressions were. I told her I found it hard to look at the poverty there, which surprised her, "Where do you see poverty?" she asked, pointing out the many signs of development there. As a matter of fact, poverty and wealth coexist…

We asked our professors their opinion on whether a 2-speed euro would help.

The case of Greece has put the subject of sovereign default back in the news. What does it mean when a country is in default? What are the implications? Many people have asked me about this, so I think a little clarification is in order: . Argentina's government may default even though many Argentine companies…