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Professor Sartori's research primarily uses game-theoretic and statistical methods to understand international relations, with particular attention to international conflict and cooperation and to communication among states. Her book, Deterrence by Diplomacy (Princeton University Press, September, 2005) explains why states often are able to use diplomacy to resolve their differences, though diplomacy is only "cheap-talk." This work contrasts both with "audience cost" models of international crisis behavior, which suggest that diplomacy works primarily for democracies, and with the traditional deterrence-theory view that credibility comes from shows of force. She also works on developing research methods, and is particularly interested in methods for testing game-theoretic models empirically.
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