Prof. Liberman wrote Does Conquest Pay? The Exploitation of Occupied Industrial Societies (Princeton University Press, 1996), a study of collaboration, resistance, and economic extraction in 20th-century military occupations and empires. He has also published articles on alliance politics, the economic causes of war, the security causes of trade conflict, nuclear proliferation and strategy, and South Africa's nuclear declassification politics in International Security, Security Studies, Journal of Southern African Studies, and Foreign Policy. He serves as an Associate Editor of Security Studies and is currently researching alliance reliability in the 19th and 20th centuries, and the psychological sources of military policy attitudes. He recently wrote "Israel and the South African Bomb," The Nonproliferation Review, September 2004.