He seemed to have an understanding of international economics.

During the 1970s and 1980s, he published a number of books on international economics and trade.

He is well known for his work in international economics.

He has published widely in the areas of international economics, economic development, and political economy.

Professor Sachs began his career as an innovative expert on international economics in the early 1980's.

It's because of national political policies and international economics that I can't do anything about.

For the purposes of international economics, countries can be thought of in the same way as people.

But it could well make international economics the new battlefield.

Besides his figure skating career he studied international economics and sports.

He has written over 100 papers and articles on topics in the field of international economics.