He is holding or has held a series of short faculty appointments at several universities as visiting professor, honorary professor, or adjunct professor: Wharton School (spring 1986), Tel-Aviv University (1974-75), San Jose State University (summer 1987), Tianjin University (summer 1986), Beijing Jiaotong University (2017–20), Chengdu University (2017–20), Nanjing University of Aeronautics and Astronautics (2018–20), Nanjing University of Information Science and Technology (2018–), and Nanjing Audit University (2018–).