Airplane journeys, whether for business or pleasure ... role in the United States Air Force (McDonnell Douglas having created such famed military aircraft as the F-4 Phantom II).
Yoffie, David B. "Collision Course in Commercial Aircraft: Boeing-Airbus-McDonnell Douglas--1991 (B)." Harvard Business School Supplement 794-149, June 1994.
Yoffie, David B. "Collision Course in Commercial Aircraft: Boeing-Airbus-McDonnell Douglas--1991 (A) & New Theories of International Trade, Teaching Note." Harvard Business School Teaching Note ...