THEORY AND DECISION CONTENTS VOLUME 53 Volume 53, No. 1 — August 2002 A. Okada, E. Winter / A Non-Cooperative Axiomatiza- tion of the Core 1-28 S. Alpern, D.J. Reyniers / Spatial Dispersion as a Dy- namic Coordination Problem 29-59 G. van der Laan, R, van den Brink / A Banzhaf Share Function for Cooperative Games in Coalition Struc- ture J.C. Candeal, J.R. De Miguel, E. Indurdin / Expected Utility From Additive Utility on Semigroups Volume 53, No. 2 — September 2002 Bernard Walliser and Denis Zwirn / Can Bayes’ Rule be Justified by Cognitive Rationality Principles? 95-135 Cesaltina Pacheco Pires / A Rule For Updating Am- biguous Beliefs 137-152 Michel Regenwetter, James Adams and Bernard Grof- man / On the (Sample) Condorcet Efficiency of Ma- jority Rule: An Alternative View of Majority Cycles and Social Homogeneity 153-186 Volume 53, No. 3 — November 2002 Bertrand Munier and Costin Zaharia / High Stakes and Acceptance Behavior in Ultimatum Bargaining: A contribution from an international experiment 187-207 David Johnstone / Behavioral and Prescriptive Explan- ations of a Reverse Sunk Cost Effect 209-242 Antoine Billot / The Deep Side of Preference Theory 243-270 Francisco J. Vazquez and Richard Watt / The Price of Risk with Incomplete Knowledge on the Utility Function 271-287 BN Theory and Decision 53: 405-406, 2002. CONTENTS VOLUME 53 / LIST OF CONTRIBUTORS Volume 53, No. 4 — December 2002 Fernando Tohmé / Negotiation and Defeasible Decision Making 289-311 Lawrence Diffo Lambo and Joé! Moulen / Ordinal Equi- valence of Power Notions in Voting Games René van den Brink and Peter Borm / Digraph Compet- itions and Cooperative Games Fany Yuval / Sophisticated Voting Under the Sequential Voting by Veto Werner Giith / On the Inconsistency of Equilibrium Re- finement Antonio Quesada / Belief System Foundations of Back- ward Induction 393-403 Contents Volume 53 / List of Contributors 405-406 LIST OF CONTRIBUTORS Adams, J., 153 2 Moulen, J., 313 Vazquez, F.J., 271 Alpern, S., 29 Munier, B., 187 Walliser, B., 95 Billot, A., 243 Okada, A., | Watt, R., 271 Borm, P., 327 Pacheco Pires, C., 13 Winter, E., | Candeal, J.C., 87 Quesada, A., 393 Yuval, F., 343 De Miguel, J.R., 87 Regenwetter, M., 153 Zaharia, C., 187 Diffo Lambo, L., 313 Reyniers, D.J., 29 Zwirn, D., 95 Grofman, B., 153 Tohmé, F., 289 Giith, W., 371 van den Brink, R Indurain, E., 87 327 Johnstone, D., 209 van der Laan, G., 61