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		| Julie  Beugnot, Zeynep  Gürgüç, Frederik Roose Øvlisen and Michael M. W. Roos | 
	
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		| ''Coordination failure caused by sunspots'' | 
	
		| ( 2012, Vol. 32 No.4 ) | 
	
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		| In a coordination game with Pareto-ranked equilibria, we study whether a sunspot can lead to either coordination on an inferior equilibrium (mis-coordination) or to out-of equilibrium behavior (dis-coordination). While much of the literature searches for mechanisms to attain coordination on the efficient equilibrium, we consider sunspots as a potential reason for coordination failure. We conduct an experiment with a three player 2x2x2 game in which coordination on the efficient equilibrium is easy and should normally occur. In the control session, we find almost perfect coordination on the payoff-dominant equilibrium, but in the sunspot treatment, dis-coordination is frequent. Sunspots lead to significant inefficiency, and we conclude that sunspots can indeed cause coordination failure. | 
	
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		| Keywords: sunspots,  coordination game,  multiple Pareto-ranked equilibria,  experiment | 
	
		| JEL: C9 - Design of Experiments: General 
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		| | Manuscript Received : Jul 25 2012 |  | Manuscript Accepted : Oct 13 2012 | 
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