1. School background and geographical location: The University of Cologne, located in Cologne, Germany, is one of the oldest and most famous universities in Germany. Duke University, located in Duke University Town, North Carolina, USA, is a prestigious private university.

2. Subject setting: There are many subjects in the University of Cologne, such as law, economics, sociology, history, linguistics, etc. Among them, the ranking in the fields of law and economics is among the best in Germany. Duke University covers many fields such as humanities, social sciences, natural sciences and engineering technology, among which business schools, law schools, medical schools and public policy schools enjoy a high reputation.