This problem has been discussed by a number of different researchers.[4]  It is beyond the scope of this article to discuss the intricacies of the different analyses. An entire issue of Games and Economic Behavior (Volume 20, 1997) was devoted to the analysis of this problem. For a representative sampling of the approaches to this problem, see Kline (2002); Aumann, Hart, &amp; Perry (1997); Board (2003); Halpern (1997); Piccione &amp; Rubinstein (1997b).