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Sequential Analysis of Deterrence Games with a Declining Status Quo

Department of Political Science University of Idaho Moscow, Idaho, USA

Raymond Dacey

College of Business and Economics University of Idaho Moscow, Idaho, USA, rdacey{at}uidaho.edu

The model developed in this paper provides a formal prospect theory account of Challenger's behavior in the traditional deterrence game played under sequential decision analysis. The model is used to analyze two basic claims commonly made in the international relations literature regarding the importation of prospect theory into the analysis of crisis games. These claims pertain to Challenger's behavior when the valuation of the status quo is positive and Challenger's behavior when the valuation of the status quo is negative.

We model the traditional deterrence game between Challenger and Defender as a one-sided incomplete information game where Challenger is uncertain about Defender's preference ordering. We examine the behavior of Challenger under the condition that the status quo is declining, using a von Neumann—Morgenstern decision rule as specified by expected utility theory, and a Kahneman—Tverksy decision rule as specified by prospect theory.

The formal results show that these claims do not hold unconditionally and must be stated more precisely. Furthermore, there exist conditions under which the claims are false. We show that in addition to specifying the valuation of the status quo and the value of the probability of loss, as per the claims, a fuller understanding of Challenger's behavior also requires a specification of Challenger's valuation of the status quo vis-à-vis the valuations of other major payoffs in the game. In so doing, we capture many of the details relevant to a more complete analysis of Challenger's behavior in the deterrence game.

Key Words: declining status quo • deterrence games • expected utility theory • prospect theory

Conflict Management and Peace Science, Vol. 23, No. 2, 181-198 (2006)
DOI: 10.1080/07388940600666022


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