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Zinnes, Dina A. Lee, Sang-Hyun 2015-09-25T20:49:36Z 2015-09-25T20:49:36Z 10000-01-01 1999 1999 In my dissertation I seek to determine the conditions of regional conflict escalation. In particular, I pose two questions in this dissertation: first, why do small states decide to fight against relatively more powerful states in spite of very low likelihood of winning?; and second, once regional conflicts occur, why do extra-regional states decide to join one of the regional contestants even when they expect a minimal gain? To understand this theoretical puzzle, I set up a signaling game model which implements an extended deterrence situation. I solved the game for perfect Bayesian equilibrium and got seven equilibria, five of them pooling and two separating. Further examination of these equilibria revealed that only two patterns of equilibrium behavior are substantially interesting: successful extended deterrence and failed extended deterrence. I found that the key difference between the two outcomes lies in the quality and the scope of pre-conflict signals. That is, the deterrence success appears to be highly associated with credibility, intensity, and coherence of pre-conflict signals. To test this finding, I chose to conduct case studies. Particularly, I followed the methods of structured, focused comparison to systematically compare the Korean War of 1950 as a failed deterrence case and Quemoy-Matsu Crisis (or First Taiwan Straits Crisis) of 1954 as a successful deterrence case. The analysis of pre-conflict exchange of signal-response sequences in both cases largely confirms my argument. Made available in DSpace on 2015-09-25T20:49:36Z (GMT). No. of bitstreams: 2 license.txt: 4848 bytes, checksum: 96035ab3f5e1c23cc7138a224ce498bd (MD5) 9944919.pdf: 11898333 bytes, checksum: 4ef861f59500d27a70a2e19cc453d0bb (MD5) Previous issue date: 1999 Embargo set by: Seth Robbins for item 83883 Lift date: Forever Reason: Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs U of I Only 180 p. Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 1999. http://hdl.handle.net/2142/82602 (MiAaPQ)AAI9944919 eng Political Science, General Signaling, Extended Deterrence, and Regional Conflict Escalation: A Game Theory Model text Political Science Political Science University of Illinois at Urbana-Champaign Dissertation Ph.D.