Since 1974Several hundred visits abroad: participation in international conferences and keynote speeches on the various aspects of the international system.
1971-1991Institut d’Études Politiques de Paris / Sciences Po, Paris, Professor: Classes on ‘‘Advanced Economics’’ (1971-1973); ‘’International Economics’’ (1980-1986); ‘’Dividing Lines in the Contemporary World’’ (1989-1991).
1983-Institut Universitaire des Hautes Etudes Internationales (IUHEI), Geneva: Visiting Professor over several periods since 1983. Opening lecture for the 1997/1998 academic year: ’”Dominant Trends in International Relations at the End of the Century’
1989University of Tel Aviv: the fourth Jimmy Carter Annual Lecture: ”A New International Order?”
1989University of Korea: third Inchon Memorial Annual Lecture: ”The Gorbachev Revolution and the International System”.
1991Faculté universitaire Saint-Louis, Brussels: inaugural lecture of a series of public lectures: “Risk and Reason
Since 2006Beijing Diplomatic University: visiting Professor
Soince 2016Shanghai International Studies University: visiting Professor